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---
title: Firmware Updates
parent: User Guide
nav_order: 13
last_updated: 2026-05-13
description: Update your radio firmware over Bluetooth — OTA process, version channels, pre-flight checks, and recovery.
aliases:
Tff7b72- firmware
Tff7b72- update
Tff7b72- ota
Tc9d1d9 - flash
Tc9d1d9---

Tc9d1d9# Firmware Updates

Keep your Meshtastic radio up to date with the latest firmware for new features, bug fixes, and security improvements.

Tc9d1d9## Checking for Updates

Tff7b721. Navigate to **Settings → Firmware Update** or tap the firmware notification if shown.
Tff7b722. The app checks for available firmware versions.
Tff7b723. Available updates show the version number and changelog summary.

Tc9d1d9## Update Methods

Tc9d1d9### OTA (Over-The-Air) via Bluetooth

The most common update method for Android users:

Tff7b721. Ensure your radio is connected via Bluetooth.
Tff7b722. Navigate to the Firmware Update screen.
Tff7b723. Select the desired firmware version.
Tff7b724. Tap **Update** to begin the OTA process.
Tff7b725. Wait for the update to complete — **do not disconnect** during the update.

![Tff7b72Firmware checking for updates](Te6edf3../../assets/screenshots/firmware_checking.png)

Tff7b72> ⚠️ **Warning:** Interrupting a firmware update can brick your device. Ensure your radio has sufficient battery (>50% recommended) and maintain Bluetooth proximity during the entire process.

![Tff7b72Firmware disclaimer](Te6edf3../../assets/screenshots/firmware_disclaimer.png)

Tc9d1d9### USB Flashing

For recovery or when OTA is unavailable:

Tff7b72- Use the [Tff7b72Meshtastic Web Flasher](Te6edf3https://flasher.meshtastic.org)
Tff7b72- Or the [Tff7b72Meshtastic CLI tool](Te6edf3https://meshtastic.org/docs/getting-started/flashing-firmware) on desktop

Tc9d1d9## Version Channels

| Kanalas | Aprašymas |
| ------- | ------------------------------------------- |
| Stable | Recommended for most users; tested releases |
| Alpha | Preview releases; may contain bugs |

Tc9d1d9## Pre-Update Checklist

Before updating:

Tff7b72- Tff7b72[ ] Battery > 50%
Tff7b72- Tff7b72[ ] Stable Bluetooth connection
Tff7b72- Tff7b72[ ] Note your current settings (they may reset on major version changes)
Tff7b72- Tff7b72[ ] Check the release notes for breaking changes

Tc9d1d9## Post-Update

After a successful update:

Tff7b72- The radio will reboot automatically
Tff7b72- Bluetooth connection will re-establish
Tff7b72- Verify your settings are intact
Tff7b72- Check the firmware version in **Settings → About**

![Tff7b72Firmware update success](Te6edf3../../assets/screenshots/firmware_success.png)

Tc9d1d9## Troubleshooting

Tc9d1d9### Update Stuck

If the update appears frozen:

Tff7b72- Wait at least 5 minutes before intervening
Tff7b72- If truly stuck, power-cycle the radio
Tff7b72- Attempt the update again

![Tff7b72Firmware update error](Te6edf3../../assets/screenshots/firmware_error.png)

Tc9d1d9### Device Won't Boot After Update

If your device fails to boot:

Tff7b721. Try connecting via USB to a computer
Tff7b722. Use the web flasher in recovery/DFU mode
Tff7b723. Flash a known-good firmware version
Tff7b724. Check the Meshtastic Discord for device-specific recovery steps

Tc9d1d9### Compatibility Warnings

The app may show warnings when:

Tff7b72- Connected radio firmware is below minimum supported version
Tff7b72- Major version mismatch between app and firmware
Tff7b72- Deprecated features need migration

Tff7b72> ⚠️ **Important:** Always update the Meshtastic app before or alongside firmware updates to ensure compatibility.

Tc9d1d9## Related Topics

Tff7b72- [Tff7b72Connections](Te6edf3connections) — reconnecting after a firmware update
Tff7b72- [Tff7b72Flashing firmware guide](Te6edf3https://meshtastic.org/docs/getting-started/flashing-firmware) — full firmware flashing walkthrough on meshtastic.org
Tff7b72- [Tff7b72Supported devices](Te6edf3https://meshtastic.org/docs/hardware/devices) — check firmware compatibility by device
Tff7b72- [Tff7b72FAQ](Te6edf3https://meshtastic.org/docs/about/faq) — common questions on meshtastic.org

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