diff --git a/changelog.json b/changelog.json
index 0d638e7..a1dd79b 100644
--- a/changelog.json
+++ b/changelog.json
@@ -1,5 +1,22 @@
 {
   "versions": [
+    {
+      "version": "1.4.4",
+      "date": "2026-03-16",
+      "changes": {
+        "features": [
+          "Bouton Self Test disponible sur les pages Accueil, Capteurs et Admin (en plus de Modem 4G)",
+          "Test du module RTC DS3231 integre dans le self-test (connexion + synchronisation horloge)"
+        ],
+        "improvements": [
+          "Refactoring self-test : code JS et HTML des modals extraits dans des fichiers partages (selftest.js, selftest-modal.html)",
+          "Le modal self-test est charge dynamiquement via fetch, plus besoin de dupliquer le HTML"
+        ],
+        "fixes": [],
+        "compatibility": []
+      },
+      "notes": "Le self-test est maintenant accessible depuis toutes les pages principales. Le test RTC verifie la connexion du module et l'ecart avec l'heure systeme."
+    },
     {
       "version": "1.4.3",
       "date": "2026-03-16",
diff --git a/html/admin.html b/html/admin.html
index 892eed5..c71143f 100755
--- a/html/admin.html
+++ b/html/admin.html
@@ -51,7 +51,14 @@
       <main class="col-md-10 ms-sm-auto col-lg-11 offset-md-2 offset-lg-1 px-md-4">
         <h1 class="mt-4">Admin</h1>
 
-  
+        <button class="btn btn-success mb-3 btn_selfTest" onclick="runSelfTest()">
+          <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check2-circle me-1" viewBox="0 0 16 16">
+            <path d="M2.5 8a5.5 5.5 0 1 1 11 0 5.5 5.5 0 0 1-11 0z"/>
+            <path d="M15.354 3.354a.5.5 0 0 0-.708-.708L8 9.293 5.354 6.646a.5.5 0 1 0-.708.708l3 3a.5.5 0 0 0 .708 0l7-7z"/>
+          </svg>
+          Run Self Test
+        </button>
+
         <div class="row mb-3">
 
           <div class="col-lg-3 col-12">
@@ -401,6 +408,7 @@
 <!-- i18n translation system -->
 <script src="assets/js/i18n.js"></script>
 <script src="assets/js/topbar-logo.js"></script>
+<script src="assets/js/selftest.js"></script>
 
 <script>
  document.addEventListener('DOMContentLoaded', function () {
diff --git a/html/assets/js/selftest.js b/html/assets/js/selftest.js
new file mode 100644
index 0000000..2454a5c
--- /dev/null
+++ b/html/assets/js/selftest.js
@@ -0,0 +1,943 @@
+// ============================================
+// SELF TEST FUNCTIONS (shared across pages)
+// ============================================
+
+// Cache for operators data
+let operatorsDataSelfTest = null;
+
+function loadOperatorsDataSelfTest() {
+  return new Promise((resolve, reject) => {
+    if (operatorsDataSelfTest) {
+      resolve(operatorsDataSelfTest);
+      return;
+    }
+    $.ajax({
+      url: 'assets/data/operators.json',
+      dataType: 'json',
+      method: 'GET',
+      success: function(data) {
+        operatorsDataSelfTest = data;
+        resolve(data);
+      },
+      error: function(xhr, status, error) {
+        console.error('Failed to load operators data:', error);
+        reject(error);
+      }
+    });
+  });
+}
+
+// Global object to store test results for report
+let selfTestReport = {
+  timestamp: '',
+  deviceId: '',
+  modemVersion: '',
+  results: {},
+  rawResponses: {}
+};
+
+function runSelfTest() {
+  console.log("Starting Self Test...");
+
+  // Reset report
+  selfTestReport = {
+    timestamp: new Date().toISOString(),
+    deviceId: document.querySelector('.sideBar_sensorName')?.textContent || 'Unknown',
+    modemVersion: document.getElementById('modem_version')?.textContent || 'Unknown',
+    results: {},
+    rawResponses: {}
+  };
+
+  // Reset UI
+  resetSelfTestUI();
+
+  // Show modal
+  const modal = new bootstrap.Modal(document.getElementById('selfTestModal'));
+  modal.show();
+
+  // Disable buttons during test
+  document.getElementById('selfTestCloseBtn').disabled = true;
+  document.getElementById('selfTestDoneBtn').disabled = true;
+  document.getElementById('selfTestCopyBtn').disabled = true;
+  document.querySelectorAll('.btn_selfTest').forEach(btn => btn.disabled = true);
+
+  // Start test sequence
+  selfTestSequence();
+}
+
+function resetSelfTestUI() {
+  // Reset status
+  document.getElementById('selftest_status').innerHTML = `
+    <div class="d-flex align-items-center text-muted">
+      <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+      <span>Preparing test...</span>
+    </div>`;
+
+  // Reset test items
+  document.getElementById('test_wifi_status').className = 'badge bg-secondary';
+  document.getElementById('test_wifi_status').textContent = 'Pending';
+  document.getElementById('test_wifi_detail').textContent = 'Waiting...';
+
+  document.getElementById('test_modem_status').className = 'badge bg-secondary';
+  document.getElementById('test_modem_status').textContent = 'Pending';
+  document.getElementById('test_modem_detail').textContent = 'Waiting...';
+
+  document.getElementById('test_sim_status').className = 'badge bg-secondary';
+  document.getElementById('test_sim_status').textContent = 'Pending';
+  document.getElementById('test_sim_detail').textContent = 'Waiting...';
+
+  document.getElementById('test_signal_status').className = 'badge bg-secondary';
+  document.getElementById('test_signal_status').textContent = 'Pending';
+  document.getElementById('test_signal_detail').textContent = 'Waiting...';
+
+  document.getElementById('test_network_status').className = 'badge bg-secondary';
+  document.getElementById('test_network_status').textContent = 'Pending';
+  document.getElementById('test_network_detail').textContent = 'Waiting...';
+
+  // Reset sensor tests
+  document.getElementById('sensor_tests_container').innerHTML = '';
+  document.getElementById('comm_tests_separator').style.display = 'none';
+
+  // Reset logs
+  document.getElementById('selftest_logs').innerHTML = '';
+
+  // Reset summary
+  document.getElementById('selftest_summary').innerHTML = '';
+}
+
+function addSelfTestLog(message, isRaw = false) {
+  const logsEl = document.getElementById('selftest_logs');
+  const timestamp = new Date().toLocaleTimeString();
+
+  if (isRaw) {
+    // Raw AT response - format nicely
+    logsEl.textContent += `[${timestamp}] >>> RAW RESPONSE:\n${message}\n<<<\n`;
+  } else {
+    logsEl.textContent += `[${timestamp}] ${message}\n`;
+  }
+
+  // Auto-scroll to bottom
+  logsEl.parentElement.scrollTop = logsEl.parentElement.scrollHeight;
+}
+
+function updateTestStatus(testId, status, detail, badge) {
+  document.getElementById(`test_${testId}_status`).className = `badge ${badge}`;
+  document.getElementById(`test_${testId}_status`).textContent = status;
+  document.getElementById(`test_${testId}_detail`).textContent = detail;
+
+  // Store result in report
+  selfTestReport.results[testId] = {
+    status: status,
+    detail: detail
+  };
+}
+
+function setConfigMode(enabled) {
+  return new Promise((resolve, reject) => {
+    addSelfTestLog(`Setting modem_config_mode to ${enabled}...`);
+
+    $.ajax({
+      url: `launcher.php?type=update_config_sqlite&param=modem_config_mode&value=${enabled}`,
+      dataType: 'json',
+      method: 'GET',
+      cache: false,
+      success: function(response) {
+        if (response.success) {
+          addSelfTestLog(`modem_config_mode set to ${enabled}`);
+          // Update checkbox state if it exists on the page
+          const checkbox = document.getElementById('check_modem_configMode');
+          if (checkbox) checkbox.checked = enabled;
+          resolve(true);
+        } else {
+          addSelfTestLog(`Failed to set modem_config_mode: ${response.error || 'Unknown error'}`);
+          reject(new Error(response.error || 'Failed to set config mode'));
+        }
+      },
+      error: function(xhr, status, error) {
+        addSelfTestLog(`AJAX error setting config mode: ${error}`);
+        reject(new Error(error));
+      }
+    });
+  });
+}
+
+function sendATCommand(command, timeout) {
+  return new Promise((resolve, reject) => {
+    addSelfTestLog(`Sending AT command: ${command} (timeout: ${timeout}s)`);
+
+    $.ajax({
+      url: `launcher.php?type=sara&port=ttyAMA2&command=${encodeURIComponent(command)}&timeout=${timeout}`,
+      dataType: 'text',
+      method: 'GET',
+      success: function(response) {
+        // Store raw response in report
+        selfTestReport.rawResponses[command] = response;
+
+        // Log raw response
+        addSelfTestLog(response.trim(), true);
+
+        resolve(response);
+      },
+      error: function(xhr, status, error) {
+        addSelfTestLog(`AT command error: ${error}`);
+        selfTestReport.rawResponses[command] = `ERROR: ${error}`;
+        reject(new Error(error));
+      }
+    });
+  });
+}
+
+function delaySelfTest(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+async function selfTestSequence() {
+  let testsPassed = 0;
+  let testsFailed = 0;
+
+  try {
+    // Collect system info at the start
+    document.getElementById('selftest_status').innerHTML = `
+      <div class="d-flex align-items-center text-primary">
+        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+        <span>Collecting system information...</span>
+      </div>`;
+
+    // Get system info from config
+    try {
+      const configResponse = await new Promise((resolve, reject) => {
+        $.ajax({
+          url: 'launcher.php?type=get_config_sqlite',
+          dataType: 'json',
+          method: 'GET',
+          success: function(data) { resolve(data); },
+          error: function(xhr, status, error) { reject(new Error(error)); }
+        });
+      });
+
+      // Store in report
+      selfTestReport.deviceId = configResponse.deviceID || 'Unknown';
+      selfTestReport.deviceName = configResponse.deviceName || 'Unknown';
+      selfTestReport.modemVersion = configResponse.modem_version || 'Unknown';
+      selfTestReport.latitude = configResponse.latitude_raw || 'N/A';
+      selfTestReport.longitude = configResponse.longitude_raw || 'N/A';
+      selfTestReport.config = configResponse;
+
+      // Get RTC time
+      try {
+        const rtcTime = await new Promise((resolve, reject) => {
+          $.ajax({
+            url: 'launcher.php?type=RTC_time',
+            dataType: 'text',
+            method: 'GET',
+            success: function(data) { resolve(data.trim()); },
+            error: function(xhr, status, error) { resolve('N/A'); }
+          });
+        });
+        selfTestReport.systemTime = rtcTime;
+      } catch (e) {
+        selfTestReport.systemTime = 'N/A';
+      }
+
+      // Log system info
+      addSelfTestLog('════════════════════════════════════════════════════════');
+      addSelfTestLog('           NEBULEAIR PRO 4G - SELF TEST');
+      addSelfTestLog('════════════════════════════════════════════════════════');
+      addSelfTestLog(`Device ID: ${selfTestReport.deviceId}`);
+      addSelfTestLog(`Device Name: ${selfTestReport.deviceName}`);
+      addSelfTestLog(`Modem Version: ${selfTestReport.modemVersion}`);
+      addSelfTestLog(`System Time (RTC): ${selfTestReport.systemTime}`);
+      addSelfTestLog(`Browser Time: ${new Date().toLocaleString()}`);
+      addSelfTestLog(`GPS: ${selfTestReport.latitude}, ${selfTestReport.longitude}`);
+      addSelfTestLog('────────────────────────────────────────────────────────');
+      addSelfTestLog('');
+
+    } catch (error) {
+      addSelfTestLog(`Warning: Could not get system config: ${error.message}`);
+    }
+
+    await delaySelfTest(300);
+
+    // ═══════════════════════════════════════════════════════
+    // SENSOR TESTS - Test enabled sensors based on config
+    // ═══════════════════════════════════════════════════════
+    const config = selfTestReport.config || {};
+    const sensorTests = [];
+
+    // NPM is always present
+    sensorTests.push({ id: 'npm', name: 'NextPM (Particles)', type: 'npm', port: 'ttyAMA5' });
+
+    // BME280 if enabled
+    if (config.BME280) {
+      sensorTests.push({ id: 'bme280', name: 'BME280 (Temp/Hum)', type: 'BME280' });
+    }
+
+    // Noise if enabled
+    if (config.NOISE) {
+      sensorTests.push({ id: 'noise', name: 'Noise Sensor', type: 'noise' });
+    }
+
+    // Envea if enabled
+    if (config.envea) {
+      sensorTests.push({ id: 'envea', name: 'Envea (Gas Sensors)', type: 'envea' });
+    }
+
+    // RTC module is always present (DS3231)
+    sensorTests.push({ id: 'rtc', name: 'RTC Module (DS3231)', type: 'rtc' });
+
+    // Create sensor test UI entries dynamically
+    const sensorContainer = document.getElementById('sensor_tests_container');
+    sensorContainer.innerHTML = '';
+
+    sensorTests.forEach(sensor => {
+      sensorContainer.innerHTML += `
+        <div class="list-group-item d-flex justify-content-between align-items-center" id="test_${sensor.id}">
+          <div>
+            <strong>${sensor.name}</strong>
+            <div class="small text-muted" id="test_${sensor.id}_detail">Waiting...</div>
+          </div>
+          <span id="test_${sensor.id}_status" class="badge bg-secondary">Pending</span>
+        </div>`;
+    });
+
+    addSelfTestLog('');
+    addSelfTestLog('────────────────────────────────────────────────────────');
+    addSelfTestLog('SENSOR TESTS');
+    addSelfTestLog('────────────────────────────────────────────────────────');
+
+    // Run each sensor test
+    for (const sensor of sensorTests) {
+      await delaySelfTest(500);
+
+      document.getElementById('selftest_status').innerHTML = `
+        <div class="d-flex align-items-center text-primary">
+          <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+          <span>Testing ${sensor.name}...</span>
+        </div>`;
+
+      updateTestStatus(sensor.id, 'Testing...', 'Reading sensor data...', 'bg-info');
+      addSelfTestLog(`Testing ${sensor.name}...`);
+
+      try {
+        if (sensor.type === 'npm') {
+          // NPM sensor test
+          const npmResult = await new Promise((resolve, reject) => {
+            $.ajax({
+              url: 'launcher.php?type=npm&port=' + sensor.port,
+              dataType: 'json',
+              method: 'GET',
+              timeout: 15000,
+              success: function(data) { resolve(data); },
+              error: function(xhr, status, error) { reject(new Error(error || status)); }
+            });
+          });
+
+          selfTestReport.rawResponses['NPM Sensor'] = JSON.stringify(npmResult, null, 2);
+          addSelfTestLog(`NPM response: PM1=${npmResult.PM1}, PM2.5=${npmResult.PM25}, PM10=${npmResult.PM10}`);
+
+          // Check for errors
+          const npmErrors = ['notReady', 'fanError', 'laserError', 'heatError', 't_rhError', 'memoryError', 'degradedState'];
+          const activeErrors = npmErrors.filter(e => npmResult[e] === 1);
+
+          if (activeErrors.length > 0) {
+            updateTestStatus(sensor.id, 'Warning', `Errors: ${activeErrors.join(', ')}`, 'bg-warning');
+            testsFailed++;
+          } else if (npmResult.PM1 !== undefined && npmResult.PM25 !== undefined && npmResult.PM10 !== undefined) {
+            updateTestStatus(sensor.id, 'Passed', `PM1: ${npmResult.PM1} | PM2.5: ${npmResult.PM25} | PM10: ${npmResult.PM10} ug/m3`, 'bg-success');
+            testsPassed++;
+          } else {
+            updateTestStatus(sensor.id, 'Warning', 'Incomplete data received', 'bg-warning');
+            testsFailed++;
+          }
+
+        } else if (sensor.type === 'BME280') {
+          // BME280 sensor test
+          const bme280Result = await new Promise((resolve, reject) => {
+            $.ajax({
+              url: 'launcher.php?type=BME280',
+              dataType: 'text',
+              method: 'GET',
+              timeout: 15000,
+              success: function(data) { resolve(data); },
+              error: function(xhr, status, error) { reject(new Error(error || status)); }
+            });
+          });
+
+          const bmeData = JSON.parse(bme280Result);
+          selfTestReport.rawResponses['BME280 Sensor'] = JSON.stringify(bmeData, null, 2);
+          addSelfTestLog(`BME280 response: temp=${bmeData.temp}, hum=${bmeData.hum}, press=${bmeData.press}`);
+
+          if (bmeData.temp !== undefined && bmeData.hum !== undefined && bmeData.press !== undefined) {
+            updateTestStatus(sensor.id, 'Passed', `${bmeData.temp}°C | ${bmeData.hum}% | ${bmeData.press} hPa`, 'bg-success');
+            testsPassed++;
+          } else {
+            updateTestStatus(sensor.id, 'Warning', 'Incomplete data received', 'bg-warning');
+            testsFailed++;
+          }
+
+        } else if (sensor.type === 'noise') {
+          // NSRT MK4 noise sensor test (returns JSON)
+          const noiseResult = await new Promise((resolve, reject) => {
+            $.ajax({
+              url: 'launcher.php?type=noise',
+              dataType: 'json',
+              method: 'GET',
+              timeout: 15000,
+              success: function(data) { resolve(data); },
+              error: function(xhr, status, error) { reject(new Error(error || status)); }
+            });
+          });
+
+          selfTestReport.rawResponses['Noise Sensor'] = JSON.stringify(noiseResult);
+          addSelfTestLog(`Noise response: ${JSON.stringify(noiseResult)}`);
+
+          if (noiseResult.error) {
+            updateTestStatus(sensor.id, 'Failed', noiseResult.error, 'bg-danger');
+            testsFailed++;
+          } else if (noiseResult.LEQ > 0 && noiseResult.dBA > 0) {
+            updateTestStatus(sensor.id, 'Passed', `LEQ: ${noiseResult.LEQ} dB | dB(A): ${noiseResult.dBA}`, 'bg-success');
+            testsPassed++;
+          } else {
+            updateTestStatus(sensor.id, 'Warning', `Unexpected values: LEQ=${noiseResult.LEQ}, dBA=${noiseResult.dBA}`, 'bg-warning');
+            testsFailed++;
+          }
+
+        } else if (sensor.type === 'envea') {
+          // Envea sensor test - use the debug endpoint for all sensors
+          const enveaResult = await new Promise((resolve, reject) => {
+            $.ajax({
+              url: 'launcher.php?type=envea_debug',
+              dataType: 'text',
+              method: 'GET',
+              timeout: 30000,
+              success: function(data) { resolve(data); },
+              error: function(xhr, status, error) { reject(new Error(error || status)); }
+            });
+          });
+
+          selfTestReport.rawResponses['Envea Sensors'] = enveaResult;
+          addSelfTestLog(`Envea response: ${enveaResult.trim().substring(0, 200)}`);
+
+          if (enveaResult.trim() !== '' && !enveaResult.toLowerCase().includes('error')) {
+            updateTestStatus(sensor.id, 'Passed', 'Sensors responding', 'bg-success');
+            testsPassed++;
+          } else if (enveaResult.toLowerCase().includes('error')) {
+            updateTestStatus(sensor.id, 'Failed', 'Sensor error detected', 'bg-danger');
+            testsFailed++;
+          } else {
+            updateTestStatus(sensor.id, 'Failed', 'No data received', 'bg-danger');
+            testsFailed++;
+          }
+
+        } else if (sensor.type === 'rtc') {
+          // RTC DS3231 module test
+          const rtcResult = await new Promise((resolve, reject) => {
+            $.ajax({
+              url: 'launcher.php?type=sys_RTC_module_time',
+              dataType: 'json',
+              method: 'GET',
+              timeout: 10000,
+              success: function(data) { resolve(data); },
+              error: function(xhr, status, error) { reject(new Error(error || status)); }
+            });
+          });
+
+          selfTestReport.rawResponses['RTC Module'] = JSON.stringify(rtcResult, null, 2);
+          addSelfTestLog(`RTC response: ${JSON.stringify(rtcResult)}`);
+
+          if (rtcResult.rtc_module_time === 'not connected') {
+            updateTestStatus(sensor.id, 'Failed', 'RTC module not connected', 'bg-danger');
+            testsFailed++;
+          } else if (rtcResult.rtc_module_time) {
+            const timeDiff = rtcResult.time_difference_seconds;
+            if (typeof timeDiff === 'number' && Math.abs(timeDiff) <= 60) {
+              updateTestStatus(sensor.id, 'Passed', `${rtcResult.rtc_module_time} (sync OK, diff: ${timeDiff}s)`, 'bg-success');
+              testsPassed++;
+            } else if (typeof timeDiff === 'number') {
+              updateTestStatus(sensor.id, 'Warning', `${rtcResult.rtc_module_time} (out of sync: ${timeDiff}s)`, 'bg-warning');
+              testsFailed++;
+            } else {
+              updateTestStatus(sensor.id, 'Passed', `${rtcResult.rtc_module_time}`, 'bg-success');
+              testsPassed++;
+            }
+          } else {
+            updateTestStatus(sensor.id, 'Warning', 'Unexpected response', 'bg-warning');
+            testsFailed++;
+          }
+        }
+      } catch (error) {
+        addSelfTestLog(`${sensor.name} test error: ${error.message}`);
+        updateTestStatus(sensor.id, 'Failed', error.message, 'bg-danger');
+        selfTestReport.rawResponses[`${sensor.name}`] = `ERROR: ${error.message}`;
+        testsFailed++;
+      }
+    }
+
+    // ═══════════════════════════════════════════════════════
+    // COMMUNICATION TESTS - WiFi, Modem, SIM, Signal, Network
+    // ═══════════════════════════════════════════════════════
+    addSelfTestLog('');
+    addSelfTestLog('────────────────────────────────────────────────────────');
+    addSelfTestLog('COMMUNICATION TESTS');
+    addSelfTestLog('────────────────────────────────────────────────────────');
+
+    document.getElementById('comm_tests_separator').style.display = '';
+
+    // Check WiFi / Network status (informational, no pass/fail)
+    document.getElementById('selftest_status').innerHTML = `
+      <div class="d-flex align-items-center text-primary">
+        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+        <span>Checking network status...</span>
+      </div>`;
+
+    updateTestStatus('wifi', 'Checking...', 'Getting network info...', 'bg-info');
+
+    try {
+      const wifiResponse = await new Promise((resolve, reject) => {
+        $.ajax({
+          url: 'launcher.php?type=wifi_status',
+          dataType: 'json',
+          method: 'GET',
+          success: function(data) {
+            addSelfTestLog(`WiFi status received`);
+            // Store raw response
+            selfTestReport.rawResponses['WiFi Status'] = JSON.stringify(data, null, 2);
+            resolve(data);
+          },
+          error: function(xhr, status, error) {
+            addSelfTestLog(`WiFi status error: ${error}`);
+            selfTestReport.rawResponses['WiFi Status'] = `ERROR: ${error}`;
+            reject(new Error(error));
+          }
+        });
+      });
+
+      // Log detailed WiFi info
+      addSelfTestLog(`Mode: ${wifiResponse.mode}, SSID: ${wifiResponse.ssid}, IP: ${wifiResponse.ip}, Hostname: ${wifiResponse.hostname}`);
+
+      if (wifiResponse.connected) {
+        let modeLabel = '';
+        let badgeClass = 'bg-info';
+
+        if (wifiResponse.mode === 'hotspot') {
+          modeLabel = 'Hotspot';
+          badgeClass = 'bg-warning text-dark';
+        } else if (wifiResponse.mode === 'wifi') {
+          modeLabel = 'WiFi';
+          badgeClass = 'bg-info';
+        } else if (wifiResponse.mode === 'ethernet') {
+          modeLabel = 'Ethernet';
+          badgeClass = 'bg-info';
+        }
+
+        const detailText = `${wifiResponse.ssid} | ${wifiResponse.ip} | ${wifiResponse.hostname}.local`;
+        updateTestStatus('wifi', modeLabel, detailText, badgeClass);
+      } else {
+        updateTestStatus('wifi', 'Disconnected', 'No network connection', 'bg-secondary');
+      }
+    } catch (error) {
+      updateTestStatus('wifi', 'Error', error.message, 'bg-secondary');
+    }
+
+    await delaySelfTest(500);
+
+    // Enable config mode
+    document.getElementById('selftest_status').innerHTML = `
+      <div class="d-flex align-items-center text-primary">
+        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+        <span>Enabling configuration mode...</span>
+      </div>`;
+
+    await setConfigMode(true);
+
+    // Wait for SARA script to release the port (2 seconds should be enough)
+    addSelfTestLog('Waiting for modem port to be available...');
+    await delaySelfTest(2000);
+
+    // Test Modem Connection (ATI)
+    document.getElementById('selftest_status').innerHTML = `
+      <div class="d-flex align-items-center text-primary">
+        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+        <span>Testing modem connection...</span>
+      </div>`;
+
+    updateTestStatus('modem', 'Testing...', 'Sending ATI command...', 'bg-info');
+
+    try {
+      const modemResponse = await sendATCommand('ATI', 5);
+
+      if (modemResponse.includes('OK') && (modemResponse.toUpperCase().includes('SARA-R5') || modemResponse.toUpperCase().includes('SARA-R4'))) {
+        // Extract model
+        const modelMatch = modemResponse.match(/SARA-R[45]\d*[A-Z]*-\d+[A-Z]*-\d+/i);
+        const model = modelMatch ? modelMatch[0] : 'SARA module';
+        updateTestStatus('modem', 'Passed', `Model: ${model}`, 'bg-success');
+        testsPassed++;
+      } else if (modemResponse.includes('OK')) {
+        updateTestStatus('modem', 'Passed', 'Modem responding', 'bg-success');
+        testsPassed++;
+      } else {
+        updateTestStatus('modem', 'Failed', 'No valid response', 'bg-danger');
+        testsFailed++;
+      }
+    } catch (error) {
+      updateTestStatus('modem', 'Failed', error.message, 'bg-danger');
+      testsFailed++;
+    }
+
+    // Delay between AT commands
+    await delaySelfTest(1000);
+
+    // Test SIM Card (AT+CCID?)
+    document.getElementById('selftest_status').innerHTML = `
+      <div class="d-flex align-items-center text-primary">
+        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+        <span>Testing SIM card...</span>
+      </div>`;
+
+    updateTestStatus('sim', 'Testing...', 'Sending AT+CCID? command...', 'bg-info');
+
+    try {
+      const simResponse = await sendATCommand('AT+CCID?', 5);
+
+      const ccidMatch = simResponse.match(/\+CCID:\s*(\d{18,22})/);
+      if (simResponse.includes('OK') && ccidMatch) {
+        const iccid = ccidMatch[1];
+        // Show last 4 digits only for privacy
+        const maskedIccid = '****' + iccid.slice(-4);
+        updateTestStatus('sim', 'Passed', `ICCID: ...${maskedIccid}`, 'bg-success');
+        testsPassed++;
+      } else if (simResponse.includes('ERROR')) {
+        updateTestStatus('sim', 'Failed', 'SIM card not detected', 'bg-danger');
+        testsFailed++;
+      } else {
+        updateTestStatus('sim', 'Warning', 'Unable to read ICCID', 'bg-warning');
+        testsFailed++;
+      }
+    } catch (error) {
+      updateTestStatus('sim', 'Failed', error.message, 'bg-danger');
+      testsFailed++;
+    }
+
+    // Delay between AT commands
+    await delaySelfTest(1000);
+
+    // Test Signal Strength (AT+CSQ)
+    document.getElementById('selftest_status').innerHTML = `
+      <div class="d-flex align-items-center text-primary">
+        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+        <span>Testing signal strength...</span>
+      </div>`;
+
+    updateTestStatus('signal', 'Testing...', 'Sending AT+CSQ command...', 'bg-info');
+
+    try {
+      const signalResponse = await sendATCommand('AT+CSQ', 5);
+
+      const csqMatch = signalResponse.match(/\+CSQ:\s*(\d+),(\d+)/);
+      if (signalResponse.includes('OK') && csqMatch) {
+        const signalPower = parseInt(csqMatch[1]);
+
+        if (signalPower === 99) {
+          updateTestStatus('signal', 'Failed', 'No signal detected', 'bg-danger');
+          testsFailed++;
+        } else if (signalPower === 0) {
+          updateTestStatus('signal', 'Warning', 'Very poor signal (0/31)', 'bg-warning');
+          testsFailed++;
+        } else if (signalPower <= 24) {
+          updateTestStatus('signal', 'Passed', `Poor signal (${signalPower}/31)`, 'bg-success');
+          testsPassed++;
+        } else if (signalPower <= 26) {
+          updateTestStatus('signal', 'Passed', `Good signal (${signalPower}/31)`, 'bg-success');
+          testsPassed++;
+        } else if (signalPower <= 28) {
+          updateTestStatus('signal', 'Passed', `Very good signal (${signalPower}/31)`, 'bg-success');
+          testsPassed++;
+        } else {
+          updateTestStatus('signal', 'Passed', `Excellent signal (${signalPower}/31)`, 'bg-success');
+          testsPassed++;
+        }
+      } else if (signalResponse.includes('ERROR')) {
+        updateTestStatus('signal', 'Failed', 'Unable to read signal', 'bg-danger');
+        testsFailed++;
+      } else {
+        updateTestStatus('signal', 'Warning', 'Unexpected response', 'bg-warning');
+        testsFailed++;
+      }
+    } catch (error) {
+      updateTestStatus('signal', 'Failed', error.message, 'bg-danger');
+      testsFailed++;
+    }
+
+    // Delay between AT commands
+    await delaySelfTest(1000);
+
+    // Test Network Connection (AT+COPS?)
+    document.getElementById('selftest_status').innerHTML = `
+      <div class="d-flex align-items-center text-primary">
+        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+        <span>Testing network connection...</span>
+      </div>`;
+
+    updateTestStatus('network', 'Testing...', 'Sending AT+COPS? command...', 'bg-info');
+
+    try {
+      // Load operators data for network name lookup
+      let opData = null;
+      try {
+        opData = await loadOperatorsDataSelfTest();
+      } catch (e) {
+        addSelfTestLog('Warning: Could not load operators data');
+      }
+
+      const networkResponse = await sendATCommand('AT+COPS?', 5);
+
+      const copsMatch = networkResponse.match(/\+COPS:\s*(\d+)(?:,(\d+),"?([^",]+)"?,(\d+))?/);
+      if (networkResponse.includes('OK') && copsMatch) {
+        const mode = copsMatch[1];
+        const oper = copsMatch[3];
+        const act = copsMatch[4];
+
+        if (oper) {
+          // Get operator name from lookup table
+          let operatorName = oper;
+          if (opData && opData.operators && opData.operators[oper]) {
+            operatorName = opData.operators[oper].name;
+          }
+
+          // Get access technology
+          let actDesc = 'Unknown';
+          if (opData && opData.accessTechnology && opData.accessTechnology[act]) {
+            actDesc = opData.accessTechnology[act];
+          }
+
+          updateTestStatus('network', 'Passed', `${operatorName} (${actDesc})`, 'bg-success');
+          testsPassed++;
+        } else {
+          updateTestStatus('network', 'Warning', 'Not registered to network', 'bg-warning');
+          testsFailed++;
+        }
+      } else if (networkResponse.includes('ERROR')) {
+        updateTestStatus('network', 'Failed', 'Unable to get network info', 'bg-danger');
+        testsFailed++;
+      } else {
+        updateTestStatus('network', 'Warning', 'Unexpected response', 'bg-warning');
+        testsFailed++;
+      }
+    } catch (error) {
+      updateTestStatus('network', 'Failed', error.message, 'bg-danger');
+      testsFailed++;
+    }
+
+  } catch (error) {
+    addSelfTestLog(`Test sequence error: ${error.message}`);
+  } finally {
+    // Always disable config mode at the end
+    document.getElementById('selftest_status').innerHTML = `
+      <div class="d-flex align-items-center text-primary">
+        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+        <span>Disabling configuration mode...</span>
+      </div>`;
+
+    try {
+      await delaySelfTest(500);
+      await setConfigMode(false);
+    } catch (error) {
+      addSelfTestLog(`Warning: Failed to disable config mode: ${error.message}`);
+    }
+
+    // Show final status
+    const totalTests = testsPassed + testsFailed;
+    let statusClass, statusIcon, statusText;
+
+    if (testsFailed === 0) {
+      statusClass = 'text-success';
+      statusIcon = '✓';
+      statusText = 'All tests passed';
+    } else if (testsPassed === 0) {
+      statusClass = 'text-danger';
+      statusIcon = '✗';
+      statusText = 'All tests failed';
+    } else {
+      statusClass = 'text-warning';
+      statusIcon = '!';
+      statusText = 'Some tests failed';
+    }
+
+    document.getElementById('selftest_status').innerHTML = `
+      <div class="d-flex align-items-center ${statusClass}">
+        <span class="fs-4 me-2">${statusIcon}</span>
+        <span><strong>${statusText}</strong></span>
+      </div>`;
+
+    document.getElementById('selftest_summary').innerHTML = `
+      <span class="badge bg-success me-1">${testsPassed} passed</span>
+      <span class="badge bg-danger">${testsFailed} failed</span>`;
+
+    // Store summary in report
+    selfTestReport.summary = {
+      passed: testsPassed,
+      failed: testsFailed,
+      status: statusText
+    };
+
+    // Enable buttons
+    document.getElementById('selfTestCloseBtn').disabled = false;
+    document.getElementById('selfTestDoneBtn').disabled = false;
+    document.getElementById('selfTestCopyBtn').disabled = false;
+    document.querySelectorAll('.btn_selfTest').forEach(btn => btn.disabled = false);
+
+    addSelfTestLog('Self test completed.');
+    addSelfTestLog('Click "Copy Report" to share results with support.');
+  }
+}
+
+function generateReport() {
+  // Build formatted report
+  let report = `===============================================================
+             NEBULEAIR PRO 4G - SELF TEST REPORT
+===============================================================
+
+DEVICE INFORMATION
+------------------
+Device ID:      ${selfTestReport.deviceId || 'Unknown'}
+Device Name:    ${selfTestReport.deviceName || 'Unknown'}
+Modem Version:  ${selfTestReport.modemVersion || 'Unknown'}
+System Time:    ${selfTestReport.systemTime || 'Unknown'}
+Report Date:    ${selfTestReport.timestamp}
+GPS Location:   ${selfTestReport.latitude || 'N/A'}, ${selfTestReport.longitude || 'N/A'}
+
+===============================================================
+                       TEST RESULTS
+===============================================================
+
+`;
+
+  // Add test results (sensors first, then communication)
+  const testNames = {
+    npm: 'NextPM (Particles)',
+    bme280: 'BME280 (Temp/Hum)',
+    noise: 'Noise Sensor',
+    envea: 'Envea (Gas Sensors)',
+    rtc: 'RTC Module (DS3231)',
+    wifi: 'WiFi/Network',
+    modem: 'Modem Connection',
+    sim: 'SIM Card',
+    signal: 'Signal Strength',
+    network: 'Network Connection'
+  };
+
+  for (const [testId, name] of Object.entries(testNames)) {
+    if (selfTestReport.results[testId]) {
+      const result = selfTestReport.results[testId];
+      const statusIcon = result.status === 'Passed' ? '[OK]' :
+                        result.status === 'Failed' ? '[FAIL]' :
+                        result.status.includes('Hotspot') || result.status.includes('WiFi') || result.status.includes('Ethernet') ? '[INFO]' : '[WARN]';
+      report += `${statusIcon} ${name}
+       Status: ${result.status}
+       Detail: ${result.detail}
+
+`;
+    }
+  }
+
+  // Add summary
+  if (selfTestReport.summary) {
+    report += `===============================================================
+                          SUMMARY
+===============================================================
+
+Passed: ${selfTestReport.summary.passed}
+Failed: ${selfTestReport.summary.failed}
+Status: ${selfTestReport.summary.status}
+
+`;
+  }
+
+  // Add raw AT responses
+  report += `===============================================================
+                     RAW AT RESPONSES
+===============================================================
+
+`;
+
+  for (const [command, response] of Object.entries(selfTestReport.rawResponses)) {
+    report += `--- ${command} ---
+${response}
+
+`;
+  }
+
+  // Add full logs
+  report += `===============================================================
+                       DETAILED LOGS
+===============================================================
+
+${document.getElementById('selftest_logs').textContent}
+
+===============================================================
+         END OF REPORT - Generated by NebuleAir Pro 4G
+===============================================================
+`;
+
+  return report;
+}
+
+function openShareReportModal() {
+  // Generate the report
+  const report = generateReport();
+
+  // Put report in textarea
+  document.getElementById('shareReportText').value = report;
+
+  // Open the share modal
+  const shareModal = new bootstrap.Modal(document.getElementById('shareReportModal'));
+  shareModal.show();
+}
+
+function selectAllReportText() {
+  const textarea = document.getElementById('shareReportText');
+  textarea.select();
+  textarea.setSelectionRange(0, textarea.value.length); // For mobile devices
+}
+
+function downloadReport() {
+  const report = generateReport();
+
+  // Create filename with device ID
+  const deviceId = selfTestReport.deviceId || 'unknown';
+  const date = new Date().toISOString().slice(0, 10);
+  const filename = `logs_nebuleair_${deviceId}_${date}.txt`;
+
+  // Create blob and download
+  const blob = new Blob([report], { type: 'text/plain;charset=utf-8' });
+  const url = URL.createObjectURL(blob);
+
+  const a = document.createElement('a');
+  a.href = url;
+  a.download = filename;
+  document.body.appendChild(a);
+  a.click();
+
+  // Cleanup
+  setTimeout(function() {
+    document.body.removeChild(a);
+    URL.revokeObjectURL(url);
+  }, 100);
+}
+
+// Load the self-test modal HTML into the page
+function initSelfTestModal() {
+  fetch('selftest-modal.html')
+    .then(response => response.text())
+    .then(html => {
+      // Insert modal HTML before </body>
+      const container = document.createElement('div');
+      container.id = 'selftest-modal-container';
+      container.innerHTML = html;
+      document.body.appendChild(container);
+    })
+    .catch(error => console.error('Error loading selftest modal:', error));
+}
+
+// Auto-init when DOM is ready
+document.addEventListener('DOMContentLoaded', initSelfTestModal);
diff --git a/html/index.html b/html/index.html
index 147469f..0e7cbb8 100755
--- a/html/index.html
+++ b/html/index.html
@@ -63,6 +63,14 @@
         <h1 class="mt-4" data-i18n="home.title">Votre capteur</h1>
         <p data-i18n="home.welcome">Bienvenue sur votre interface de configuration de votre capteur.</p>
 
+        <button class="btn btn-success mb-3 btn_selfTest" onclick="runSelfTest()">
+          <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check2-circle me-1" viewBox="0 0 16 16">
+            <path d="M2.5 8a5.5 5.5 0 1 1 11 0 5.5 5.5 0 0 1-11 0z"/>
+            <path d="M15.354 3.354a.5.5 0 0 0-.708-.708L8 9.293 5.354 6.646a.5.5 0 1 0-.708.708l3 3a.5.5 0 0 0 .708 0l7-7z"/>
+          </svg>
+          Run Self Test
+        </button>
+
         <div class="row mb-3">
 
           <!-- Card  NPM values -->
@@ -124,6 +132,7 @@
   <!-- i18n translation system -->
   <script src="assets/js/i18n.js"></script>
   <script src="assets/js/topbar-logo.js"></script>
+  <script src="assets/js/selftest.js"></script>
 
   <script>
     document.addEventListener('DOMContentLoaded', function () {
diff --git a/html/saraR4.html b/html/saraR4.html
index 119e190..749ed6d 100755
--- a/html/saraR4.html
+++ b/html/saraR4.html
@@ -58,7 +58,7 @@
           <label class="form-check-label" for="check_modem_configMode">Mode configuration</label>
         </div>
 
-        <button class="btn btn-success mb-3" onclick="runSelfTest()" id="btn_selfTest">
+        <button class="btn btn-success mb-3 btn_selfTest" onclick="runSelfTest()">
           <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check2-circle me-1" viewBox="0 0 16 16">
             <path d="M2.5 8a5.5 5.5 0 1 1 11 0 5.5 5.5 0 0 1-11 0z"/>
             <path d="M15.354 3.354a.5.5 0 0 0-.708-.708L8 9.293 5.354 6.646a.5.5 0 1 0-.708.708l3 3a.5.5 0 0 0 .708 0l7-7z"/>
@@ -367,141 +367,6 @@
       
         </div>
 
-        <!-- Self Test Modal -->
-        <div class="modal fade" id="selfTestModal" tabindex="-1" aria-labelledby="selfTestModalLabel" aria-hidden="true" data-bs-backdrop="static" data-bs-keyboard="false">
-          <div class="modal-dialog modal-dialog-centered">
-            <div class="modal-content">
-              <div class="modal-header">
-                <h5 class="modal-title" id="selfTestModalLabel">Modem Self Test</h5>
-                <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close" id="selfTestCloseBtn" disabled></button>
-              </div>
-              <div class="modal-body">
-                <div id="selftest_status" class="mb-3">
-                  <div class="d-flex align-items-center text-muted">
-                    <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-                    <span>Preparing test...</span>
-                  </div>
-                </div>
-
-                <div class="list-group" id="selftest_results">
-                  <!-- Dynamic sensor test entries will be added here -->
-                  <div id="sensor_tests_container"></div>
-
-                  <!-- Separator for communication tests -->
-                  <div id="comm_tests_separator" class="list-group-item bg-light text-center py-1" style="display:none;">
-                    <small class="text-muted fw-bold">COMMUNICATION</small>
-                  </div>
-
-                  <!-- Info: WiFi Status -->
-                  <div class="list-group-item d-flex justify-content-between align-items-center" id="test_wifi">
-                    <div>
-                      <strong>WiFi / Network</strong>
-                      <div class="small text-muted" id="test_wifi_detail">Waiting...</div>
-                    </div>
-                    <span id="test_wifi_status" class="badge bg-secondary">Pending</span>
-                  </div>
-
-                  <!-- Test: Modem Connection -->
-                  <div class="list-group-item d-flex justify-content-between align-items-center" id="test_modem">
-                    <div>
-                      <strong>Modem Connection</strong>
-                      <div class="small text-muted" id="test_modem_detail">Waiting...</div>
-                    </div>
-                    <span id="test_modem_status" class="badge bg-secondary">Pending</span>
-                  </div>
-
-                  <!-- Test: SIM Card -->
-                  <div class="list-group-item d-flex justify-content-between align-items-center" id="test_sim">
-                    <div>
-                      <strong>SIM Card</strong>
-                      <div class="small text-muted" id="test_sim_detail">Waiting...</div>
-                    </div>
-                    <span id="test_sim_status" class="badge bg-secondary">Pending</span>
-                  </div>
-
-                  <!-- Test: Signal Strength -->
-                  <div class="list-group-item d-flex justify-content-between align-items-center" id="test_signal">
-                    <div>
-                      <strong>Signal Strength</strong>
-                      <div class="small text-muted" id="test_signal_detail">Waiting...</div>
-                    </div>
-                    <span id="test_signal_status" class="badge bg-secondary">Pending</span>
-                  </div>
-
-                  <!-- Test: Network Connection -->
-                  <div class="list-group-item d-flex justify-content-between align-items-center" id="test_network">
-                    <div>
-                      <strong>Network Connection</strong>
-                      <div class="small text-muted" id="test_network_detail">Waiting...</div>
-                    </div>
-                    <span id="test_network_status" class="badge bg-secondary">Pending</span>
-                  </div>
-                </div>
-
-                <!-- Logs section -->
-                <div class="mt-3">
-                  <button class="btn btn-sm btn-outline-secondary" type="button" data-bs-toggle="collapse" data-bs-target="#selftest_logs_collapse">
-                    Show detailed logs
-                  </button>
-                  <div class="collapse mt-2" id="selftest_logs_collapse">
-                    <div class="card card-body bg-dark text-light" style="max-height: 250px; overflow-y: auto; font-family: monospace; font-size: 0.75rem;">
-                      <pre id="selftest_logs" style="margin: 0; white-space: pre-wrap; word-wrap: break-word;"></pre>
-                    </div>
-                  </div>
-                </div>
-              </div>
-              <div class="modal-footer">
-                <div id="selftest_summary" class="me-auto"></div>
-                <button type="button" class="btn btn-primary" id="selfTestCopyBtn" onclick="openShareReportModal()" disabled>
-                  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-share me-1" viewBox="0 0 16 16">
-                    <path d="M13.5 1a1.5 1.5 0 1 0 0 3 1.5 1.5 0 0 0 0-3zM11 2.5a2.5 2.5 0 1 1 .603 1.628l-6.718 3.12a2.499 2.499 0 0 1 0 1.504l6.718 3.12a2.5 2.5 0 1 1-.488.876l-6.718-3.12a2.5 2.5 0 1 1 0-3.256l6.718-3.12A2.5 2.5 0 0 1 11 2.5zm-8.5 4a1.5 1.5 0 1 0 0 3 1.5 1.5 0 0 0 0-3zm11 5.5a1.5 1.5 0 1 0 0 3 1.5 1.5 0 0 0 0-3z"/>
-                  </svg>
-                  Share Report
-                </button>
-                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal" id="selfTestDoneBtn" disabled>Close</button>
-              </div>
-            </div>
-          </div>
-        </div>
-
-        <!-- Share Report Modal -->
-        <div class="modal fade" id="shareReportModal" tabindex="-1" aria-labelledby="shareReportModalLabel" aria-hidden="true">
-          <div class="modal-dialog modal-lg modal-dialog-centered">
-            <div class="modal-content">
-              <div class="modal-header bg-primary text-white">
-                <h5 class="modal-title" id="shareReportModalLabel">Share Diagnostic Report</h5>
-                <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
-              </div>
-              <div class="modal-body">
-                <div class="alert alert-info">
-                  <strong>Need help?</strong> You can send this diagnostic report to our support team at
-                  <a href="mailto:contact@aircarto.fr?subject=NebuleAir%20Diagnostic%20Report" class="alert-link">contact@aircarto.fr</a>
-                  <br><small>Select all the text below (Ctrl+A) and copy it (Ctrl+C), or use the Download button.</small>
-                </div>
-                <div class="mb-3">
-                  <textarea id="shareReportText" class="form-control font-monospace" rows="15" readonly style="font-size: 0.75rem; background-color: #1e1e1e; color: #d4d4d4;"></textarea>
-                </div>
-              </div>
-              <div class="modal-footer">
-                <button type="button" class="btn btn-success" onclick="downloadReport()">
-                  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-download me-1" viewBox="0 0 16 16">
-                    <path d="M.5 9.9a.5.5 0 0 1 .5.5v2.5a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-2.5a.5.5 0 0 1 1 0v2.5a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2v-2.5a.5.5 0 0 1 .5-.5z"/>
-                    <path d="M7.646 11.854a.5.5 0 0 0 .708 0l3-3a.5.5 0 0 0-.708-.708L8.5 10.293V1.5a.5.5 0 0 0-1 0v8.793L5.354 8.146a.5.5 0 1 0-.708.708l3 3z"/>
-                  </svg>
-                  Download (.txt)
-                </button>
-                <button type="button" class="btn btn-outline-primary" onclick="selectAllReportText()">
-                  <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-cursor-text me-1" viewBox="0 0 16 16">
-                    <path d="M5 2a.5.5 0 0 1 .5-.5c.862 0 1.573.287 2.06.566.174.099.321.198.44.286.119-.088.266-.187.44-.286A4.165 4.165 0 0 1 10.5 1.5a.5.5 0 0 1 0 1c-.638 0-1.177.213-1.564.434a3.49 3.49 0 0 0-.436.294V7.5H9a.5.5 0 0 1 0 1h-.5v4.272c.1.08.248.187.436.294.387.221.926.434 1.564.434a.5.5 0 0 1 0 1 4.165 4.165 0 0 1-2.06-.566A4.561 4.561 0 0 1 8 13.65a4.561 4.561 0 0 1-.44.285 4.165 4.165 0 0 1-2.06.566.5.5 0 0 1 0-1c.638 0 1.177-.213 1.564-.434.188-.107.335-.214.436-.294V8.5H7a.5.5 0 0 1 0-1h.5V3.228a3.49 3.49 0 0 0-.436-.294A3.166 3.166 0 0 0 5.5 2.5.5.5 0 0 1 5 2z"/>
-                  </svg>
-                  Select All
-                </button>
-                <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
-              </div>
-            </div>
-          </div>
-        </div>
-
         <!-- toast -->
 
         <div class="toast-container position-fixed bottom-0 end-0 p-3">
@@ -528,6 +393,7 @@
 <!-- i18n translation system -->
 <script src="assets/js/i18n.js"></script>
 <script src="assets/js/topbar-logo.js"></script>
+<script src="assets/js/selftest.js"></script>
 
 <script>
 document.addEventListener('DOMContentLoaded', function () {
@@ -1623,871 +1489,9 @@ function update_modem_configMode(param, checked){
       });
 }
 
-// ============================================
-// SELF TEST FUNCTIONS
-// ============================================
 
-// Global object to store test results for report
-let selfTestReport = {
-  timestamp: '',
-  deviceId: '',
-  modemVersion: '',
-  results: {},
-  rawResponses: {}
-};
 
-function runSelfTest() {
-  console.log("Starting Self Test...");
-
-  // Reset report
-  selfTestReport = {
-    timestamp: new Date().toISOString(),
-    deviceId: document.querySelector('.sideBar_sensorName')?.textContent || 'Unknown',
-    modemVersion: document.getElementById('modem_version')?.textContent || 'Unknown',
-    results: {},
-    rawResponses: {}
-  };
-
-  // Reset UI
-  resetSelfTestUI();
-
-  // Show modal
-  const modal = new bootstrap.Modal(document.getElementById('selfTestModal'));
-  modal.show();
-
-  // Disable buttons during test
-  document.getElementById('selfTestCloseBtn').disabled = true;
-  document.getElementById('selfTestDoneBtn').disabled = true;
-  document.getElementById('selfTestCopyBtn').disabled = true;
-  document.getElementById('btn_selfTest').disabled = true;
-
-  // Start test sequence
-  selfTestSequence();
-}
-
-function resetSelfTestUI() {
-  // Reset status
-  document.getElementById('selftest_status').innerHTML = `
-    <div class="d-flex align-items-center text-muted">
-      <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-      <span>Preparing test...</span>
-    </div>`;
-
-  // Reset test items
-  document.getElementById('test_wifi_status').className = 'badge bg-secondary';
-  document.getElementById('test_wifi_status').textContent = 'Pending';
-  document.getElementById('test_wifi_detail').textContent = 'Waiting...';
-
-  document.getElementById('test_modem_status').className = 'badge bg-secondary';
-  document.getElementById('test_modem_status').textContent = 'Pending';
-  document.getElementById('test_modem_detail').textContent = 'Waiting...';
-
-  document.getElementById('test_sim_status').className = 'badge bg-secondary';
-  document.getElementById('test_sim_status').textContent = 'Pending';
-  document.getElementById('test_sim_detail').textContent = 'Waiting...';
-
-  document.getElementById('test_signal_status').className = 'badge bg-secondary';
-  document.getElementById('test_signal_status').textContent = 'Pending';
-  document.getElementById('test_signal_detail').textContent = 'Waiting...';
-
-  document.getElementById('test_network_status').className = 'badge bg-secondary';
-  document.getElementById('test_network_status').textContent = 'Pending';
-  document.getElementById('test_network_detail').textContent = 'Waiting...';
-
-  // Reset sensor tests
-  document.getElementById('sensor_tests_container').innerHTML = '';
-  document.getElementById('comm_tests_separator').style.display = 'none';
-
-  // Reset logs
-  document.getElementById('selftest_logs').innerHTML = '';
-
-  // Reset summary
-  document.getElementById('selftest_summary').innerHTML = '';
-}
-
-function addSelfTestLog(message, isRaw = false) {
-  const logsEl = document.getElementById('selftest_logs');
-  const timestamp = new Date().toLocaleTimeString();
-
-  if (isRaw) {
-    // Raw AT response - format nicely
-    logsEl.textContent += `[${timestamp}] >>> RAW RESPONSE:\n${message}\n<<<\n`;
-  } else {
-    logsEl.textContent += `[${timestamp}] ${message}\n`;
-  }
-
-  // Auto-scroll to bottom
-  logsEl.parentElement.scrollTop = logsEl.parentElement.scrollHeight;
-}
-
-function updateTestStatus(testId, status, detail, badge) {
-  document.getElementById(`test_${testId}_status`).className = `badge ${badge}`;
-  document.getElementById(`test_${testId}_status`).textContent = status;
-  document.getElementById(`test_${testId}_detail`).textContent = detail;
-
-  // Store result in report
-  selfTestReport.results[testId] = {
-    status: status,
-    detail: detail
-  };
-}
-
-function setConfigMode(enabled) {
-  return new Promise((resolve, reject) => {
-    addSelfTestLog(`Setting modem_config_mode to ${enabled}...`);
-
-    $.ajax({
-      url: `launcher.php?type=update_config_sqlite&param=modem_config_mode&value=${enabled}`,
-      dataType: 'json',
-      method: 'GET',
-      cache: false,
-      success: function(response) {
-        if (response.success) {
-          addSelfTestLog(`modem_config_mode set to ${enabled}`);
-          // Update checkbox state
-          document.getElementById('check_modem_configMode').checked = enabled;
-          resolve(true);
-        } else {
-          addSelfTestLog(`Failed to set modem_config_mode: ${response.error || 'Unknown error'}`);
-          reject(new Error(response.error || 'Failed to set config mode'));
-        }
-      },
-      error: function(xhr, status, error) {
-        addSelfTestLog(`AJAX error setting config mode: ${error}`);
-        reject(new Error(error));
-      }
-    });
-  });
-}
-
-function sendATCommand(command, timeout) {
-  return new Promise((resolve, reject) => {
-    addSelfTestLog(`Sending AT command: ${command} (timeout: ${timeout}s)`);
-
-    $.ajax({
-      url: `launcher.php?type=sara&port=ttyAMA2&command=${encodeURIComponent(command)}&timeout=${timeout}`,
-      dataType: 'text',
-      method: 'GET',
-      success: function(response) {
-        // Store raw response in report
-        selfTestReport.rawResponses[command] = response;
-
-        // Log raw response
-        addSelfTestLog(response.trim(), true);
-
-        resolve(response);
-      },
-      error: function(xhr, status, error) {
-        addSelfTestLog(`AT command error: ${error}`);
-        selfTestReport.rawResponses[command] = `ERROR: ${error}`;
-        reject(new Error(error));
-      }
-    });
-  });
-}
-
-function delay(ms) {
-  return new Promise(resolve => setTimeout(resolve, ms));
-}
-
-async function selfTestSequence() {
-  let testsPassed = 0;
-  let testsFailed = 0;
-
-  try {
-    // Collect system info at the start
-    document.getElementById('selftest_status').innerHTML = `
-      <div class="d-flex align-items-center text-primary">
-        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-        <span>Collecting system information...</span>
-      </div>`;
-
-    // Get system info from config
-    try {
-      const configResponse = await new Promise((resolve, reject) => {
-        $.ajax({
-          url: 'launcher.php?type=get_config_sqlite',
-          dataType: 'json',
-          method: 'GET',
-          success: function(data) { resolve(data); },
-          error: function(xhr, status, error) { reject(new Error(error)); }
-        });
-      });
-
-      // Store in report
-      selfTestReport.deviceId = configResponse.deviceID || 'Unknown';
-      selfTestReport.deviceName = configResponse.deviceName || 'Unknown';
-      selfTestReport.modemVersion = configResponse.modem_version || 'Unknown';
-      selfTestReport.latitude = configResponse.latitude_raw || 'N/A';
-      selfTestReport.longitude = configResponse.longitude_raw || 'N/A';
-      selfTestReport.config = configResponse;
-
-      // Get RTC time
-      try {
-        const rtcTime = await new Promise((resolve, reject) => {
-          $.ajax({
-            url: 'launcher.php?type=RTC_time',
-            dataType: 'text',
-            method: 'GET',
-            success: function(data) { resolve(data.trim()); },
-            error: function(xhr, status, error) { resolve('N/A'); }
-          });
-        });
-        selfTestReport.systemTime = rtcTime;
-      } catch (e) {
-        selfTestReport.systemTime = 'N/A';
-      }
-
-      // Log system info
-      addSelfTestLog('════════════════════════════════════════════════════════');
-      addSelfTestLog('           NEBULEAIR PRO 4G - SELF TEST');
-      addSelfTestLog('════════════════════════════════════════════════════════');
-      addSelfTestLog(`Device ID: ${selfTestReport.deviceId}`);
-      addSelfTestLog(`Device Name: ${selfTestReport.deviceName}`);
-      addSelfTestLog(`Modem Version: ${selfTestReport.modemVersion}`);
-      addSelfTestLog(`System Time (RTC): ${selfTestReport.systemTime}`);
-      addSelfTestLog(`Browser Time: ${new Date().toLocaleString()}`);
-      addSelfTestLog(`GPS: ${selfTestReport.latitude}, ${selfTestReport.longitude}`);
-      addSelfTestLog('────────────────────────────────────────────────────────');
-      addSelfTestLog('');
-
-    } catch (error) {
-      addSelfTestLog(`Warning: Could not get system config: ${error.message}`);
-    }
-
-    await delay(300);
-
-    // ═══════════════════════════════════════════════════════
-    // SENSOR TESTS - Test enabled sensors based on config
-    // ═══════════════════════════════════════════════════════
-    const config = selfTestReport.config || {};
-    const sensorTests = [];
-
-    // NPM is always present
-    sensorTests.push({ id: 'npm', name: 'NextPM (Particles)', type: 'npm', port: 'ttyAMA5' });
-
-    // BME280 if enabled
-    if (config.BME280) {
-      sensorTests.push({ id: 'bme280', name: 'BME280 (Temp/Hum)', type: 'BME280' });
-    }
-
-    // Noise if enabled
-    if (config.NOISE) {
-      sensorTests.push({ id: 'noise', name: 'Noise Sensor', type: 'noise' });
-    }
-
-    // Envea if enabled
-    if (config.envea) {
-      sensorTests.push({ id: 'envea', name: 'Envea (Gas Sensors)', type: 'envea' });
-    }
-
-    // Create sensor test UI entries dynamically
-    const sensorContainer = document.getElementById('sensor_tests_container');
-    sensorContainer.innerHTML = '';
-
-    sensorTests.forEach(sensor => {
-      sensorContainer.innerHTML += `
-        <div class="list-group-item d-flex justify-content-between align-items-center" id="test_${sensor.id}">
-          <div>
-            <strong>${sensor.name}</strong>
-            <div class="small text-muted" id="test_${sensor.id}_detail">Waiting...</div>
-          </div>
-          <span id="test_${sensor.id}_status" class="badge bg-secondary">Pending</span>
-        </div>`;
-    });
-
-    addSelfTestLog('');
-    addSelfTestLog('────────────────────────────────────────────────────────');
-    addSelfTestLog('SENSOR TESTS');
-    addSelfTestLog('────────────────────────────────────────────────────────');
-
-    // Run each sensor test
-    for (const sensor of sensorTests) {
-      await delay(500);
-
-      document.getElementById('selftest_status').innerHTML = `
-        <div class="d-flex align-items-center text-primary">
-          <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-          <span>Testing ${sensor.name}...</span>
-        </div>`;
-
-      updateTestStatus(sensor.id, 'Testing...', 'Reading sensor data...', 'bg-info');
-      addSelfTestLog(`Testing ${sensor.name}...`);
-
-      try {
-        if (sensor.type === 'npm') {
-          // NPM sensor test
-          const npmResult = await new Promise((resolve, reject) => {
-            $.ajax({
-              url: 'launcher.php?type=npm&port=' + sensor.port,
-              dataType: 'json',
-              method: 'GET',
-              timeout: 15000,
-              success: function(data) { resolve(data); },
-              error: function(xhr, status, error) { reject(new Error(error || status)); }
-            });
-          });
-
-          selfTestReport.rawResponses['NPM Sensor'] = JSON.stringify(npmResult, null, 2);
-          addSelfTestLog(`NPM response: PM1=${npmResult.PM1}, PM2.5=${npmResult.PM25}, PM10=${npmResult.PM10}`);
-
-          // Check for errors
-          const npmErrors = ['notReady', 'fanError', 'laserError', 'heatError', 't_rhError', 'memoryError', 'degradedState'];
-          const activeErrors = npmErrors.filter(e => npmResult[e] === 1);
-
-          if (activeErrors.length > 0) {
-            updateTestStatus(sensor.id, 'Warning', `Errors: ${activeErrors.join(', ')}`, 'bg-warning');
-            testsFailed++;
-          } else if (npmResult.PM1 !== undefined && npmResult.PM25 !== undefined && npmResult.PM10 !== undefined) {
-            updateTestStatus(sensor.id, 'Passed', `PM1: ${npmResult.PM1} | PM2.5: ${npmResult.PM25} | PM10: ${npmResult.PM10} ug/m3`, 'bg-success');
-            testsPassed++;
-          } else {
-            updateTestStatus(sensor.id, 'Warning', 'Incomplete data received', 'bg-warning');
-            testsFailed++;
-          }
-
-        } else if (sensor.type === 'BME280') {
-          // BME280 sensor test
-          const bme280Result = await new Promise((resolve, reject) => {
-            $.ajax({
-              url: 'launcher.php?type=BME280',
-              dataType: 'text',
-              method: 'GET',
-              timeout: 15000,
-              success: function(data) { resolve(data); },
-              error: function(xhr, status, error) { reject(new Error(error || status)); }
-            });
-          });
-
-          const bmeData = JSON.parse(bme280Result);
-          selfTestReport.rawResponses['BME280 Sensor'] = JSON.stringify(bmeData, null, 2);
-          addSelfTestLog(`BME280 response: temp=${bmeData.temp}, hum=${bmeData.hum}, press=${bmeData.press}`);
-
-          if (bmeData.temp !== undefined && bmeData.hum !== undefined && bmeData.press !== undefined) {
-            updateTestStatus(sensor.id, 'Passed', `${bmeData.temp}°C | ${bmeData.hum}% | ${bmeData.press} hPa`, 'bg-success');
-            testsPassed++;
-          } else {
-            updateTestStatus(sensor.id, 'Warning', 'Incomplete data received', 'bg-warning');
-            testsFailed++;
-          }
-
-        } else if (sensor.type === 'noise') {
-          // NSRT MK4 noise sensor test (returns JSON)
-          const noiseResult = await new Promise((resolve, reject) => {
-            $.ajax({
-              url: 'launcher.php?type=noise',
-              dataType: 'json',
-              method: 'GET',
-              timeout: 15000,
-              success: function(data) { resolve(data); },
-              error: function(xhr, status, error) { reject(new Error(error || status)); }
-            });
-          });
-
-          selfTestReport.rawResponses['Noise Sensor'] = JSON.stringify(noiseResult);
-          addSelfTestLog(`Noise response: ${JSON.stringify(noiseResult)}`);
-
-          if (noiseResult.error) {
-            updateTestStatus(sensor.id, 'Failed', noiseResult.error, 'bg-danger');
-            testsFailed++;
-          } else if (noiseResult.LEQ > 0 && noiseResult.dBA > 0) {
-            updateTestStatus(sensor.id, 'Passed', `LEQ: ${noiseResult.LEQ} dB | dB(A): ${noiseResult.dBA}`, 'bg-success');
-            testsPassed++;
-          } else {
-            updateTestStatus(sensor.id, 'Warning', `Unexpected values: LEQ=${noiseResult.LEQ}, dBA=${noiseResult.dBA}`, 'bg-warning');
-            testsFailed++;
-          }
-
-        } else if (sensor.type === 'envea') {
-          // Envea sensor test - use the debug endpoint for all sensors
-          const enveaResult = await new Promise((resolve, reject) => {
-            $.ajax({
-              url: 'launcher.php?type=envea_debug',
-              dataType: 'text',
-              method: 'GET',
-              timeout: 30000,
-              success: function(data) { resolve(data); },
-              error: function(xhr, status, error) { reject(new Error(error || status)); }
-            });
-          });
-
-          selfTestReport.rawResponses['Envea Sensors'] = enveaResult;
-          addSelfTestLog(`Envea response: ${enveaResult.trim().substring(0, 200)}`);
-
-          if (enveaResult.trim() !== '' && !enveaResult.toLowerCase().includes('error')) {
-            updateTestStatus(sensor.id, 'Passed', 'Sensors responding', 'bg-success');
-            testsPassed++;
-          } else if (enveaResult.toLowerCase().includes('error')) {
-            updateTestStatus(sensor.id, 'Failed', 'Sensor error detected', 'bg-danger');
-            testsFailed++;
-          } else {
-            updateTestStatus(sensor.id, 'Failed', 'No data received', 'bg-danger');
-            testsFailed++;
-          }
-        }
-      } catch (error) {
-        addSelfTestLog(`${sensor.name} test error: ${error.message}`);
-        updateTestStatus(sensor.id, 'Failed', error.message, 'bg-danger');
-        selfTestReport.rawResponses[`${sensor.name}`] = `ERROR: ${error.message}`;
-        testsFailed++;
-      }
-    }
-
-    // ═══════════════════════════════════════════════════════
-    // COMMUNICATION TESTS - WiFi, Modem, SIM, Signal, Network
-    // ═══════════════════════════════════════════════════════
-    addSelfTestLog('');
-    addSelfTestLog('────────────────────────────────────────────────────────');
-    addSelfTestLog('COMMUNICATION TESTS');
-    addSelfTestLog('────────────────────────────────────────────────────────');
-
-    document.getElementById('comm_tests_separator').style.display = '';
-
-    // Check WiFi / Network status (informational, no pass/fail)
-    document.getElementById('selftest_status').innerHTML = `
-      <div class="d-flex align-items-center text-primary">
-        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-        <span>Checking network status...</span>
-      </div>`;
-
-    updateTestStatus('wifi', 'Checking...', 'Getting network info...', 'bg-info');
-
-    try {
-      const wifiResponse = await new Promise((resolve, reject) => {
-        $.ajax({
-          url: 'launcher.php?type=wifi_status',
-          dataType: 'json',
-          method: 'GET',
-          success: function(data) {
-            addSelfTestLog(`WiFi status received`);
-            // Store raw response
-            selfTestReport.rawResponses['WiFi Status'] = JSON.stringify(data, null, 2);
-            resolve(data);
-          },
-          error: function(xhr, status, error) {
-            addSelfTestLog(`WiFi status error: ${error}`);
-            selfTestReport.rawResponses['WiFi Status'] = `ERROR: ${error}`;
-            reject(new Error(error));
-          }
-        });
-      });
-
-      // Log detailed WiFi info
-      addSelfTestLog(`Mode: ${wifiResponse.mode}, SSID: ${wifiResponse.ssid}, IP: ${wifiResponse.ip}, Hostname: ${wifiResponse.hostname}`);
-
-      if (wifiResponse.connected) {
-        let modeIcon = '';
-        let modeLabel = '';
-        let badgeClass = 'bg-info';
-
-        if (wifiResponse.mode === 'hotspot') {
-          modeIcon = '📡';
-          modeLabel = 'Hotspot';
-          badgeClass = 'bg-warning text-dark';
-        } else if (wifiResponse.mode === 'wifi') {
-          modeIcon = '📶';
-          modeLabel = 'WiFi';
-          badgeClass = 'bg-info';
-        } else if (wifiResponse.mode === 'ethernet') {
-          modeIcon = '🔌';
-          modeLabel = 'Ethernet';
-          badgeClass = 'bg-info';
-        }
-
-        const detailText = `${wifiResponse.ssid} | ${wifiResponse.ip} | ${wifiResponse.hostname}.local`;
-        updateTestStatus('wifi', modeLabel, detailText, badgeClass);
-      } else {
-        updateTestStatus('wifi', 'Disconnected', 'No network connection', 'bg-secondary');
-      }
-    } catch (error) {
-      updateTestStatus('wifi', 'Error', error.message, 'bg-secondary');
-    }
-
-    await delay(500);
-
-    // Enable config mode
-    document.getElementById('selftest_status').innerHTML = `
-      <div class="d-flex align-items-center text-primary">
-        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-        <span>Enabling configuration mode...</span>
-      </div>`;
-
-    await setConfigMode(true);
-
-    // Wait for SARA script to release the port (2 seconds should be enough)
-    addSelfTestLog('Waiting for modem port to be available...');
-    await delay(2000);
-
-    // Test Modem Connection (ATI)
-    document.getElementById('selftest_status').innerHTML = `
-      <div class="d-flex align-items-center text-primary">
-        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-        <span>Testing modem connection...</span>
-      </div>`;
-
-    updateTestStatus('modem', 'Testing...', 'Sending ATI command...', 'bg-info');
-
-    try {
-      const modemResponse = await sendATCommand('ATI', 5);
-
-      if (modemResponse.includes('OK') && (modemResponse.toUpperCase().includes('SARA-R5') || modemResponse.toUpperCase().includes('SARA-R4'))) {
-        // Extract model
-        const modelMatch = modemResponse.match(/SARA-R[45]\d*[A-Z]*-\d+[A-Z]*-\d+/i);
-        const model = modelMatch ? modelMatch[0] : 'SARA module';
-        updateTestStatus('modem', 'Passed', `Model: ${model}`, 'bg-success');
-        testsPassed++;
-      } else if (modemResponse.includes('OK')) {
-        updateTestStatus('modem', 'Passed', 'Modem responding', 'bg-success');
-        testsPassed++;
-      } else {
-        updateTestStatus('modem', 'Failed', 'No valid response', 'bg-danger');
-        testsFailed++;
-      }
-    } catch (error) {
-      updateTestStatus('modem', 'Failed', error.message, 'bg-danger');
-      testsFailed++;
-    }
-
-    // Delay between AT commands
-    await delay(1000);
-
-    // Test SIM Card (AT+CCID?)
-    document.getElementById('selftest_status').innerHTML = `
-      <div class="d-flex align-items-center text-primary">
-        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-        <span>Testing SIM card...</span>
-      </div>`;
-
-    updateTestStatus('sim', 'Testing...', 'Sending AT+CCID? command...', 'bg-info');
-
-    try {
-      const simResponse = await sendATCommand('AT+CCID?', 5);
-
-      const ccidMatch = simResponse.match(/\+CCID:\s*(\d{18,22})/);
-      if (simResponse.includes('OK') && ccidMatch) {
-        const iccid = ccidMatch[1];
-        // Show last 4 digits only for privacy
-        const maskedIccid = '****' + iccid.slice(-4);
-        updateTestStatus('sim', 'Passed', `ICCID: ...${maskedIccid}`, 'bg-success');
-        testsPassed++;
-      } else if (simResponse.includes('ERROR')) {
-        updateTestStatus('sim', 'Failed', 'SIM card not detected', 'bg-danger');
-        testsFailed++;
-      } else {
-        updateTestStatus('sim', 'Warning', 'Unable to read ICCID', 'bg-warning');
-        testsFailed++;
-      }
-    } catch (error) {
-      updateTestStatus('sim', 'Failed', error.message, 'bg-danger');
-      testsFailed++;
-    }
-
-    // Delay between AT commands
-    await delay(1000);
-
-    // Test Signal Strength (AT+CSQ)
-    document.getElementById('selftest_status').innerHTML = `
-      <div class="d-flex align-items-center text-primary">
-        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-        <span>Testing signal strength...</span>
-      </div>`;
-
-    updateTestStatus('signal', 'Testing...', 'Sending AT+CSQ command...', 'bg-info');
-
-    try {
-      const signalResponse = await sendATCommand('AT+CSQ', 5);
-
-      const csqMatch = signalResponse.match(/\+CSQ:\s*(\d+),(\d+)/);
-      if (signalResponse.includes('OK') && csqMatch) {
-        const signalPower = parseInt(csqMatch[1]);
-        const qual = parseInt(csqMatch[2]);
-
-        if (signalPower === 99) {
-          updateTestStatus('signal', 'Failed', 'No signal detected', 'bg-danger');
-          testsFailed++;
-        } else if (signalPower === 0) {
-          updateTestStatus('signal', 'Warning', 'Very poor signal (0/31)', 'bg-warning');
-          testsFailed++;
-        } else if (signalPower <= 24) {
-          updateTestStatus('signal', 'Passed', `Poor signal (${signalPower}/31)`, 'bg-success');
-          testsPassed++;
-        } else if (signalPower <= 26) {
-          updateTestStatus('signal', 'Passed', `Good signal (${signalPower}/31)`, 'bg-success');
-          testsPassed++;
-        } else if (signalPower <= 28) {
-          updateTestStatus('signal', 'Passed', `Very good signal (${signalPower}/31)`, 'bg-success');
-          testsPassed++;
-        } else {
-          updateTestStatus('signal', 'Passed', `Excellent signal (${signalPower}/31)`, 'bg-success');
-          testsPassed++;
-        }
-      } else if (signalResponse.includes('ERROR')) {
-        updateTestStatus('signal', 'Failed', 'Unable to read signal', 'bg-danger');
-        testsFailed++;
-      } else {
-        updateTestStatus('signal', 'Warning', 'Unexpected response', 'bg-warning');
-        testsFailed++;
-      }
-    } catch (error) {
-      updateTestStatus('signal', 'Failed', error.message, 'bg-danger');
-      testsFailed++;
-    }
-
-    // Delay between AT commands
-    await delay(1000);
-
-    // Test Network Connection (AT+COPS?)
-    document.getElementById('selftest_status').innerHTML = `
-      <div class="d-flex align-items-center text-primary">
-        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-        <span>Testing network connection...</span>
-      </div>`;
-
-    updateTestStatus('network', 'Testing...', 'Sending AT+COPS? command...', 'bg-info');
-
-    try {
-      // Load operators data for network name lookup
-      let opData = null;
-      try {
-        opData = await loadOperatorsData();
-      } catch (e) {
-        addSelfTestLog('Warning: Could not load operators data');
-      }
-
-      const networkResponse = await sendATCommand('AT+COPS?', 5);
-
-      const copsMatch = networkResponse.match(/\+COPS:\s*(\d+)(?:,(\d+),"?([^",]+)"?,(\d+))?/);
-      if (networkResponse.includes('OK') && copsMatch) {
-        const mode = copsMatch[1];
-        const oper = copsMatch[3];
-        const act = copsMatch[4];
-
-        if (oper) {
-          // Get operator name from lookup table
-          let operatorName = oper;
-          if (opData && opData.operators && opData.operators[oper]) {
-            operatorName = opData.operators[oper].name;
-          }
-
-          // Get access technology
-          let actDesc = 'Unknown';
-          if (opData && opData.accessTechnology && opData.accessTechnology[act]) {
-            actDesc = opData.accessTechnology[act];
-          }
-
-          updateTestStatus('network', 'Passed', `${operatorName} (${actDesc})`, 'bg-success');
-          testsPassed++;
-        } else {
-          updateTestStatus('network', 'Warning', 'Not registered to network', 'bg-warning');
-          testsFailed++;
-        }
-      } else if (networkResponse.includes('ERROR')) {
-        updateTestStatus('network', 'Failed', 'Unable to get network info', 'bg-danger');
-        testsFailed++;
-      } else {
-        updateTestStatus('network', 'Warning', 'Unexpected response', 'bg-warning');
-        testsFailed++;
-      }
-    } catch (error) {
-      updateTestStatus('network', 'Failed', error.message, 'bg-danger');
-      testsFailed++;
-    }
-
-  } catch (error) {
-    addSelfTestLog(`Test sequence error: ${error.message}`);
-  } finally {
-    // Always disable config mode at the end
-    document.getElementById('selftest_status').innerHTML = `
-      <div class="d-flex align-items-center text-primary">
-        <div class="spinner-border spinner-border-sm me-2" role="status"></div>
-        <span>Disabling configuration mode...</span>
-      </div>`;
-
-    try {
-      await delay(500);
-      await setConfigMode(false);
-    } catch (error) {
-      addSelfTestLog(`Warning: Failed to disable config mode: ${error.message}`);
-    }
-
-    // Show final status
-    const totalTests = testsPassed + testsFailed;
-    let statusClass, statusIcon, statusText;
-
-    if (testsFailed === 0) {
-      statusClass = 'text-success';
-      statusIcon = '✓';
-      statusText = 'All tests passed';
-    } else if (testsPassed === 0) {
-      statusClass = 'text-danger';
-      statusIcon = '✗';
-      statusText = 'All tests failed';
-    } else {
-      statusClass = 'text-warning';
-      statusIcon = '!';
-      statusText = 'Some tests failed';
-    }
-
-    document.getElementById('selftest_status').innerHTML = `
-      <div class="d-flex align-items-center ${statusClass}">
-        <span class="fs-4 me-2">${statusIcon}</span>
-        <span><strong>${statusText}</strong></span>
-      </div>`;
-
-    document.getElementById('selftest_summary').innerHTML = `
-      <span class="badge bg-success me-1">${testsPassed} passed</span>
-      <span class="badge bg-danger">${testsFailed} failed</span>`;
-
-    // Store summary in report
-    selfTestReport.summary = {
-      passed: testsPassed,
-      failed: testsFailed,
-      status: statusText
-    };
-
-    // Enable buttons
-    document.getElementById('selfTestCloseBtn').disabled = false;
-    document.getElementById('selfTestDoneBtn').disabled = false;
-    document.getElementById('selfTestCopyBtn').disabled = false;
-    document.getElementById('btn_selfTest').disabled = false;
-
-    addSelfTestLog('Self test completed.');
-    addSelfTestLog('Click "Copy Report" to share results with support.');
-  }
-}
-
-function generateReport() {
-  // Build formatted report
-  let report = `===============================================================
-             NEBULEAIR PRO 4G - SELF TEST REPORT
-===============================================================
-
-DEVICE INFORMATION
-------------------
-Device ID:      ${selfTestReport.deviceId || 'Unknown'}
-Device Name:    ${selfTestReport.deviceName || 'Unknown'}
-Modem Version:  ${selfTestReport.modemVersion || 'Unknown'}
-System Time:    ${selfTestReport.systemTime || 'Unknown'}
-Report Date:    ${selfTestReport.timestamp}
-GPS Location:   ${selfTestReport.latitude || 'N/A'}, ${selfTestReport.longitude || 'N/A'}
-
-===============================================================
-                       TEST RESULTS
-===============================================================
-
-`;
-
-  // Add test results (sensors first, then communication)
-  const testNames = {
-    npm: 'NextPM (Particles)',
-    bme280: 'BME280 (Temp/Hum)',
-    noise: 'Noise Sensor',
-    envea: 'Envea (Gas Sensors)',
-    wifi: 'WiFi/Network',
-    modem: 'Modem Connection',
-    sim: 'SIM Card',
-    signal: 'Signal Strength',
-    network: 'Network Connection'
-  };
-
-  for (const [testId, name] of Object.entries(testNames)) {
-    if (selfTestReport.results[testId]) {
-      const result = selfTestReport.results[testId];
-      const statusIcon = result.status === 'Passed' ? '[OK]' :
-                        result.status === 'Failed' ? '[FAIL]' :
-                        result.status.includes('Hotspot') || result.status.includes('WiFi') || result.status.includes('Ethernet') ? '[INFO]' : '[WARN]';
-      report += `${statusIcon} ${name}
-       Status: ${result.status}
-       Detail: ${result.detail}
-
-`;
-    }
-  }
-
-  // Add summary
-  if (selfTestReport.summary) {
-    report += `===============================================================
-                          SUMMARY
-===============================================================
-
-Passed: ${selfTestReport.summary.passed}
-Failed: ${selfTestReport.summary.failed}
-Status: ${selfTestReport.summary.status}
-
-`;
-  }
-
-  // Add raw AT responses
-  report += `===============================================================
-                     RAW AT RESPONSES
-===============================================================
-
-`;
-
-  for (const [command, response] of Object.entries(selfTestReport.rawResponses)) {
-    report += `--- ${command} ---
-${response}
-
-`;
-  }
-
-  // Add full logs
-  report += `===============================================================
-                       DETAILED LOGS
-===============================================================
-
-${document.getElementById('selftest_logs').textContent}
-
-===============================================================
-         END OF REPORT - Generated by NebuleAir Pro 4G
-===============================================================
-`;
-
-  return report;
-}
-
-function openShareReportModal() {
-  // Generate the report
-  const report = generateReport();
-
-  // Put report in textarea
-  document.getElementById('shareReportText').value = report;
-
-  // Open the share modal
-  const shareModal = new bootstrap.Modal(document.getElementById('shareReportModal'));
-  shareModal.show();
-}
-
-function selectAllReportText() {
-  const textarea = document.getElementById('shareReportText');
-  textarea.select();
-  textarea.setSelectionRange(0, textarea.value.length); // For mobile devices
-}
-
-function downloadReport() {
-  const report = generateReport();
-
-  // Create filename with device ID
-  const deviceId = selfTestReport.deviceId || 'unknown';
-  const date = new Date().toISOString().slice(0, 10);
-  const filename = `logs_nebuleair_${deviceId}_${date}.txt`;
-
-  // Create blob and download
-  const blob = new Blob([report], { type: 'text/plain;charset=utf-8' });
-  const url = URL.createObjectURL(blob);
-
-  const a = document.createElement('a');
-  a.href = url;
-  a.download = filename;
-  document.body.appendChild(a);
-  a.click();
-
-  // Cleanup
-  setTimeout(function() {
-    document.body.removeChild(a);
-    URL.revokeObjectURL(url);
-  }, 100);
-}
+// Self test functions are now in assets/js/selftest.js
 
 
 </script>
diff --git a/html/selftest-modal.html b/html/selftest-modal.html
new file mode 100644
index 0000000..e70929b
--- /dev/null
+++ b/html/selftest-modal.html
@@ -0,0 +1,134 @@
+<!-- Self Test Modal -->
+<div class="modal fade" id="selfTestModal" tabindex="-1" aria-labelledby="selfTestModalLabel" aria-hidden="true" data-bs-backdrop="static" data-bs-keyboard="false">
+  <div class="modal-dialog modal-dialog-centered">
+    <div class="modal-content">
+      <div class="modal-header">
+        <h5 class="modal-title" id="selfTestModalLabel">Modem Self Test</h5>
+        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close" id="selfTestCloseBtn" disabled></button>
+      </div>
+      <div class="modal-body">
+        <div id="selftest_status" class="mb-3">
+          <div class="d-flex align-items-center text-muted">
+            <div class="spinner-border spinner-border-sm me-2" role="status"></div>
+            <span>Preparing test...</span>
+          </div>
+        </div>
+
+        <div class="list-group" id="selftest_results">
+          <!-- Dynamic sensor test entries will be added here -->
+          <div id="sensor_tests_container"></div>
+
+          <!-- Separator for communication tests -->
+          <div id="comm_tests_separator" class="list-group-item bg-light text-center py-1" style="display:none;">
+            <small class="text-muted fw-bold">COMMUNICATION</small>
+          </div>
+
+          <!-- Info: WiFi Status -->
+          <div class="list-group-item d-flex justify-content-between align-items-center" id="test_wifi">
+            <div>
+              <strong>WiFi / Network</strong>
+              <div class="small text-muted" id="test_wifi_detail">Waiting...</div>
+            </div>
+            <span id="test_wifi_status" class="badge bg-secondary">Pending</span>
+          </div>
+
+          <!-- Test: Modem Connection -->
+          <div class="list-group-item d-flex justify-content-between align-items-center" id="test_modem">
+            <div>
+              <strong>Modem Connection</strong>
+              <div class="small text-muted" id="test_modem_detail">Waiting...</div>
+            </div>
+            <span id="test_modem_status" class="badge bg-secondary">Pending</span>
+          </div>
+
+          <!-- Test: SIM Card -->
+          <div class="list-group-item d-flex justify-content-between align-items-center" id="test_sim">
+            <div>
+              <strong>SIM Card</strong>
+              <div class="small text-muted" id="test_sim_detail">Waiting...</div>
+            </div>
+            <span id="test_sim_status" class="badge bg-secondary">Pending</span>
+          </div>
+
+          <!-- Test: Signal Strength -->
+          <div class="list-group-item d-flex justify-content-between align-items-center" id="test_signal">
+            <div>
+              <strong>Signal Strength</strong>
+              <div class="small text-muted" id="test_signal_detail">Waiting...</div>
+            </div>
+            <span id="test_signal_status" class="badge bg-secondary">Pending</span>
+          </div>
+
+          <!-- Test: Network Connection -->
+          <div class="list-group-item d-flex justify-content-between align-items-center" id="test_network">
+            <div>
+              <strong>Network Connection</strong>
+              <div class="small text-muted" id="test_network_detail">Waiting...</div>
+            </div>
+            <span id="test_network_status" class="badge bg-secondary">Pending</span>
+          </div>
+        </div>
+
+        <!-- Logs section -->
+        <div class="mt-3">
+          <button class="btn btn-sm btn-outline-secondary" type="button" data-bs-toggle="collapse" data-bs-target="#selftest_logs_collapse">
+            Show detailed logs
+          </button>
+          <div class="collapse mt-2" id="selftest_logs_collapse">
+            <div class="card card-body bg-dark text-light" style="max-height: 250px; overflow-y: auto; font-family: monospace; font-size: 0.75rem;">
+              <pre id="selftest_logs" style="margin: 0; white-space: pre-wrap; word-wrap: break-word;"></pre>
+            </div>
+          </div>
+        </div>
+      </div>
+      <div class="modal-footer">
+        <div id="selftest_summary" class="me-auto"></div>
+        <button type="button" class="btn btn-primary" id="selfTestCopyBtn" onclick="openShareReportModal()" disabled>
+          <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-share me-1" viewBox="0 0 16 16">
+            <path d="M13.5 1a1.5 1.5 0 1 0 0 3 1.5 1.5 0 0 0 0-3zM11 2.5a2.5 2.5 0 1 1 .603 1.628l-6.718 3.12a2.499 2.499 0 0 1 0 1.504l6.718 3.12a2.5 2.5 0 1 1-.488.876l-6.718-3.12a2.5 2.5 0 1 1 0-3.256l6.718-3.12A2.5 2.5 0 0 1 11 2.5zm-8.5 4a1.5 1.5 0 1 0 0 3 1.5 1.5 0 0 0 0-3zm11 5.5a1.5 1.5 0 1 0 0 3 1.5 1.5 0 0 0 0-3z"/>
+          </svg>
+          Share Report
+        </button>
+        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal" id="selfTestDoneBtn" disabled>Close</button>
+      </div>
+    </div>
+  </div>
+</div>
+
+<!-- Share Report Modal -->
+<div class="modal fade" id="shareReportModal" tabindex="-1" aria-labelledby="shareReportModalLabel" aria-hidden="true">
+  <div class="modal-dialog modal-lg modal-dialog-centered">
+    <div class="modal-content">
+      <div class="modal-header bg-primary text-white">
+        <h5 class="modal-title" id="shareReportModalLabel">Share Diagnostic Report</h5>
+        <button type="button" class="btn-close btn-close-white" data-bs-dismiss="modal" aria-label="Close"></button>
+      </div>
+      <div class="modal-body">
+        <div class="alert alert-info">
+          <strong>Need help?</strong> You can send this diagnostic report to our support team at
+          <a href="mailto:contact@aircarto.fr?subject=NebuleAir%20Diagnostic%20Report" class="alert-link">contact@aircarto.fr</a>
+          <br><small>Select all the text below (Ctrl+A) and copy it (Ctrl+C), or use the Download button.</small>
+        </div>
+        <div class="mb-3">
+          <textarea id="shareReportText" class="form-control font-monospace" rows="15" readonly style="font-size: 0.75rem; background-color: #1e1e1e; color: #d4d4d4;"></textarea>
+        </div>
+      </div>
+      <div class="modal-footer">
+        <button type="button" class="btn btn-success" onclick="downloadReport()">
+          <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-download me-1" viewBox="0 0 16 16">
+            <path d="M.5 9.9a.5.5 0 0 1 .5.5v2.5a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-2.5a.5.5 0 0 1 1 0v2.5a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2v-2.5a.5.5 0 0 1 .5-.5z"/>
+            <path d="M7.646 11.854a.5.5 0 0 0 .708 0l3-3a.5.5 0 0 0-.708-.708L8.5 10.293V1.5a.5.5 0 0 0-1 0v8.793L5.354 8.146a.5.5 0 1 0-.708.708l3 3z"/>
+          </svg>
+          Download (.txt)
+        </button>
+        <button type="button" class="btn btn-outline-primary" onclick="selectAllReportText()">
+          <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-cursor-text me-1" viewBox="0 0 16 16">
+            <path d="M5 2a.5.5 0 0 1 .5-.5c.862 0 1.573.287 2.06.566.174.099.321.198.44.286.119-.088.266-.187.44-.286A4.165 4.165 0 0 1 10.5 1.5a.5.5 0 0 1 0 1c-.638 0-1.177.213-1.564.434a3.49 3.49 0 0 0-.436.294V7.5H9a.5.5 0 0 1 0 1h-.5v4.272c.1.08.248.187.436.294.387.221.926.434 1.564.434a.5.5 0 0 1 0 1 4.165 4.165 0 0 1-2.06-.566A4.561 4.561 0 0 1 8 13.65a4.561 4.561 0 0 1-.44.285 4.165 4.165 0 0 1-2.06.566.5.5 0 0 1 0-1c.638 0 1.177-.213 1.564-.434.188-.107.335-.214.436-.294V8.5H7a.5.5 0 0 1 0-1h.5V3.228a3.49 3.49 0 0 0-.436-.294A3.166 3.166 0 0 0 5.5 2.5.5.5 0 0 1 5 2z"/>
+          </svg>
+          Select All
+        </button>
+        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
+      </div>
+    </div>
+  </div>
+</div>
diff --git a/html/sensors.html b/html/sensors.html
index 820444a..3729264 100755
--- a/html/sensors.html
+++ b/html/sensors.html
@@ -63,6 +63,14 @@
           de mesurer certaines variables environnementales. La mesure
           est automatique mais vous pouvez ici vous assurer de leur bon fonctionnement.
         </p>
+        <button class="btn btn-success mb-3 btn_selfTest" onclick="runSelfTest()">
+          <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check2-circle me-1" viewBox="0 0 16 16">
+            <path d="M2.5 8a5.5 5.5 0 1 1 11 0 5.5 5.5 0 0 1-11 0z"/>
+            <path d="M15.354 3.354a.5.5 0 0 0-.708-.708L8 9.293 5.354 6.646a.5.5 0 1 0-.708.708l3 3a.5.5 0 0 0 .708 0l7-7z"/>
+          </svg>
+          Run Self Test
+        </button>
+
         <div class="row mb-3" id="card-container"></div>
       </main>
     </div>
@@ -77,6 +85,7 @@
   <!-- i18n translation system -->
   <script src="assets/js/i18n.js"></script>
   <script src="assets/js/topbar-logo.js"></script>
+  <script src="assets/js/selftest.js"></script>
 
   <script>
     document.addEventListener('DOMContentLoaded', function () {