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<!DOCTYPE html> <html lang="en-US"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=Edge"> <link rel="stylesheet" href="/Meshtastic-Android/assets/css/just-the-docs-default.css"> <link rel="stylesheet" href="/Meshtastic-Android/assets/css/just-the-docs-head-nav.css" id="jtd-head-nav-stylesheet"> <style id="jtd-nav-activation"> .site-nav ul li a { background-image: none; } </style> <script src="/Meshtastic-Android/assets/js/vendor/lunr.min.js"></script> <script src="/Meshtastic-Android/assets/js/just-the-docs.js"></script> <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- Begin Jekyll SEO tag v2.9.0 --> <title>Connections | Meshtastic Android</title> <meta name="generator" content="Jekyll v4.4.1" /> <meta property="og:title" content="Connections" /> <meta property="og:locale" content="el_rGR" /> <meta name="description" content="Connect your phone or desktop to a Meshtastic radio via Bluetooth, USB, or TCP/IP." /> <meta name="twitter:description" property="og:description" content="Connect your phone or desktop to a Meshtastic radio via Bluetooth, USB, or TCP/IP." /> <link rel="canonical" href="/Meshtastic-Android/el-rGR/user/connections.html" /> <meta property="og:url" content="/Meshtastic-Android/el-rGR/user/connections.html" /> <meta property="og:site_name" content="Meshtastic Android" /> <meta property="og:type" content="website" /> <meta name="twitter:card" content="summary" /> <meta name="twitter:title" content="Connections" /> <script type="application/ld+json"> {"@context":"https://schema.org","@type":"WebPage","description":"Connect your phone or desktop to a Meshtastic radio via Bluetooth, USB, or TCP/IP.","headline":"Connections","url":"/Meshtastic-Android/el-rGR/user/connections.html"}</script> <!-- End Jekyll SEO tag --> <!-- Inter font from Google Fonts --> <link rel="preconnect" href="https://fonts.googleapis.com"> <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin> <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet"> <style> /* M3-inspired typography */ :root { --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif; 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class="language-switcher" aria-label="Language options"> <summary class="language-switcher-btn" title="View in another language"> 🌐 <span class="lang-current">Ελληνικά</span> </summary> <ul class="language-switcher-list"> <li><a href="/Meshtastic-Android/en/user/connections" lang="en">English</a></li> <li><a href="/Meshtastic-Android/ar-rSA/user/connections" lang="ar-rSA" dir="rtl">العربية</a></li> <li><a href="/Meshtastic-Android/be-rBY/user/connections" lang="be-rBY" >Беларуская</a></li> <li><a href="/Meshtastic-Android/bg-rBG/user/connections" lang="bg-rBG" >Български</a></li> <li><a href="/Meshtastic-Android/ca-rES/user/connections" lang="ca-rES" >Català</a></li> <li><a href="/Meshtastic-Android/cs-rCZ/user/connections" lang="cs-rCZ" >Čeština</a></li> <li><a href="/Meshtastic-Android/de-rDE/user/connections" lang="de-rDE" >Deutsch</a></li> <li><a href="/Meshtastic-Android/es-rES/user/connections" lang="es-rES" >Español</a></li> <li><a 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</div> <script> function toggleMeshtasticTheme() { var current = localStorage.getItem('jtd-theme') || 'meshtastic'; var next = (current === 'meshtastic-dark') ? 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'Light' : 'Dark'; } // Apply theme once jtd is ready function tryApply() { if (typeof jtd !== 'undefined' && typeof jtd.setTheme === 'function') { jtd.setTheme(theme); } else { setTimeout(tryApply, 50); } } tryApply(); })(); </script> </div> <div class="main-content-wrap"> <nav aria-label="Breadcrumb" class="breadcrumb-nav"> <ol class="breadcrumb-nav-list"> <li class="breadcrumb-nav-list-item"><a href="/Meshtastic-Android/en/user.html">User Guide</a></li> <li class="breadcrumb-nav-list-item"><span>Connections</span></li> </ol> </nav> <div id="main-content" class="main-content"> <main> <div class="locale-page-banner" > <p class="locale-notice"> 🌐 <strong>Ελληνικά</strong> — Community translation <a href="/Meshtastic-Android/en/user/connections">View in English</a> </p> </div> <div lang="el-rGR"> <h1 id="connections"> <a href="#connections" class="anchor-heading" aria-labelledby="connections"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Connections </h1> <p>Meshtastic supports multiple transport methods to communicate between your phone/desktop and a radio node.</p> <h2 id="bluetooth-ble"> <a href="#bluetooth-ble" class="anchor-heading" aria-labelledby="bluetooth-ble"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Bluetooth (BLE) </h2> <p>Bluetooth Low Energy is the default and most common connection method on Android.</p> <h3 id="pairing-a-device"> <a href="#pairing-a-device" class="anchor-heading" aria-labelledby="pairing-a-device"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Pairing a Device </h3> <ol> <li>Ensure your Meshtastic radio is powered on and in pairing mode.</li> <li>Open the app and navigate to the <strong>Connect</strong> tab.</li> <li>Tap <strong>Scan for Bluetooth devices</strong> — nearby Meshtastic radios will appear.</li> <li>Select your device from the list.</li> <li>Accept the Bluetooth pairing prompt if shown.</li> </ol> <p><img src="../../assets/screenshots/connections_bluetooth_scan.png" alt="Scanning for Bluetooth devices, with a discovered radio in the list" /></p> <p>Use the transport selector — a segmented button row below the connection card — to switch between the Bluetooth, Network, and USB transports (one is active at a time):</p> <p><img src="../../assets/screenshots/connections_transport_filters.png" alt="Transport selector" /></p> <blockquote> <p>💡 <strong>Tip:</strong> If your device doesn’t appear, check that Bluetooth and Location permissions are granted, and that the radio is not already connected to another device.</p> </blockquote> <h3 id="connection-status"> <a href="#connection-status" class="anchor-heading" aria-labelledby="connection-status"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Connection Status </h3> <div class="table-wrapper"><table> <thead> <tr> <th>Icon</th> <th>State</th> <th>Περιγραφή</th> </tr> </thead> <tbody> <tr> <td>🟢</td> <td>Connected</td> <td>Active radio link established</td> </tr> <tr> <td>🟡</td> <td>Connecting</td> <td>Handshake in progress</td> </tr> <tr> <td>🔴</td> <td>Αποσυνδεδεμένο</td> <td>No active connection</td> </tr> <tr> <td>⚪</td> <td>Not configured</td> <td>No device selected</td> </tr> </tbody> </table></div> <p>When connecting, a status indicator shows the current connection state:</p> <p><img src="../../assets/screenshots/connections_connecting.png" alt="Connecting status" /></p> <p>If no devices are found, the app shows an empty state with instructions:</p> <p><img src="../../assets/screenshots/connections_empty_state.png" alt="No devices found" /></p> <h3 id="troubleshooting-bluetooth"> <a href="#troubleshooting-bluetooth" class="anchor-heading" aria-labelledby="troubleshooting-bluetooth"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Troubleshooting Bluetooth </h3> <ul> <li><strong>Device not found:</strong> Toggle Bluetooth off/on, ensure location is enabled.</li> <li><strong>Connection drops:</strong> Move closer to the radio; check for interference.</li> <li><strong>Pairing rejected:</strong> Forget the device in Android Bluetooth settings and retry.</li> </ul> <h2 id="usb-serial"> <a href="#usb-serial" class="anchor-heading" aria-labelledby="usb-serial"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> USB Serial </h2> <p>USB connections provide a wired alternative, useful for desktop or when Bluetooth is unavailable.</p> <h3 id="setup"> <a href="#setup" class="anchor-heading" aria-labelledby="setup"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Setup </h3> <ol> <li>Connect your radio via USB cable to your device.</li> <li>The app will prompt for USB permission — tap <strong>Allow</strong>.</li> <li>The connection is established automatically.</li> </ol> <blockquote> <p>⚠️ <strong>Note:</strong> USB connections require OTG support on Android devices.</p> </blockquote> <h2 id="tcpip-network"> <a href="#tcpip-network" class="anchor-heading" aria-labelledby="tcpip-network"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> TCP/IP (Network) </h2> <p>Some Meshtastic radios support WiFi/Ethernet connectivity, allowing TCP-based connections over your local network. Get the radio onto your network first — using the radio’s own WiFi settings (via the firmware web interface or another connection) — then connect to it from the app.</p> <h3 id="connecting-over-the-network"> <a href="#connecting-over-the-network" class="anchor-heading" aria-labelledby="connecting-over-the-network"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Connecting over the Network </h3> <ol> <li>Make sure the radio is on the same local network as your phone/desktop.</li> <li>On the Connect screen, select <strong>Network</strong> in the transport selector.</li> <li>Choose the radio one of two ways: <ul> <li><strong>Scan for network devices</strong> — toggle this on to auto-discover radios that advertise themselves on the local network (mDNS / <code class="language-plaintext highlighter-rouge">_meshtastic._tcp</code>). Discovered devices appear in the list; tap one to connect.</li> <li><strong>Add device manually…</strong> — enter the radio’s IP address (or hostname) and port (default: <code class="language-plaintext highlighter-rouge">4403</code>).</li> </ul> </li> <li>Previously-used network addresses are remembered under <strong>Recent Network Devices</strong> for quick reconnection (long-press to remove one).</li> </ol> <blockquote> <p>💡 <strong>Tip:</strong> Network discovery uses mDNS, which only works when both devices are on the same subnet. On Android 17+ the app needs the local-network permission for scanning; if discovery finds nothing, add the device manually by IP.</p> </blockquote> <h3 id="when-to-use-tcp"> <a href="#when-to-use-tcp" class="anchor-heading" aria-labelledby="when-to-use-tcp"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> When to Use TCP </h3> <ul> <li>Radio is on the same local network</li> <li>Testing with a simulated radio</li> <li>Environments where Bluetooth has interference issues</li> </ul> <h2 id="reconnection-behavior"> <a href="#reconnection-behavior" class="anchor-heading" aria-labelledby="reconnection-behavior"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Reconnection Behavior </h2> <p>The app reconnects to the <strong>last selected device</strong> on startup. You can switch transports from the Connect screen at any time.</p> <p>To disconnect, tap the disconnect button on the Connect screen:</p> <p><img src="../../assets/screenshots/connections_disconnect.png" alt="Disconnect from radio" /></p> <h2 id="desktop-connections"> <a href="#desktop-connections" class="anchor-heading" aria-labelledby="desktop-connections"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Desktop Connections </h2> <p>On Desktop (Linux/macOS/Windows), the app supports:</p> <ul> <li><strong>Bluetooth (BLE)</strong> — via the Kable library; works on macOS, Linux, and Windows</li> <li><strong>USB Serial</strong> — primary wired connection method</li> <li><strong>TCP/IP</strong> — for network-connected radios</li> </ul> <p>See <a href="desktop">Desktop App</a> for platform-specific details and keyboard shortcuts.</p> <h2 id="related-topics"> <a href="#related-topics" class="anchor-heading" aria-labelledby="related-topics"><svg viewBox="0 0 16 16" aria-hidden="true"><use xlink:href="#svg-link"></use></svg></a> Related Topics </h2> <ul> <li><a href="onboarding">Getting Started</a> — first-launch setup and permissions</li> <li><a href="settings-radio-user">Settings — Radio &amp; User</a> — Bluetooth and network configuration</li> <li><a href="desktop">Desktop App</a> — desktop-specific connection details</li> <li><a href="https://meshtastic.org/docs/hardware/devices">Supported devices</a> — full list of compatible radios on meshtastic.org</li> </ul><hr /> </div> <style> .locale-page-banner { background: rgba(103, 234, 148, 0.1); border: 1px solid rgba(103, 234, 148, 0.3); border-radius: 12px; padding: 10px 16px; margin-bottom: 1.5rem; font-size: 0.85rem; } .locale-notice a { margin-left: 12px; font-weight: 500; } </style> </main> <hr> <footer> <footer class="site-footer"> Copyright &copy; 2026 Meshtastic LLC. 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