---
id: ota
title: nRF52 OTA Firmware Updates
sidebar_label: Over-The-Air
sidebar_position: 2
---

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nRF52 devices from RAK are able to accept OTA firmware updates from a mobile device over bluetooth. The T-Echo bootloader does not have OTA support.

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:::info
As of this writing, the current Android release of the nRF DFU app (v2.3.0) is not compatible with Meshtastic firmware updates.
:::

OTA firmware updates are available for Android using an older release of the more advanced nRF Connect App __version 4.24.3__ which is available for download from the [Nordic Semiconductor GitHub page](https://github.com/NordicSemiconductor/Android-nRF-Connect/releases/tag/v4.24.3).

1. Download the firmware release you wish to install from the [Meshtastic Download Page](/downloads) or [Meshtastic GitHub](https://github.com/meshtastic/firmware/releases).
2. Unzip the firmware folder
3. Open the nRF Connect App and select CONNECT on your device from the SCANNER tab
4. Select the DFU icon from the top-right of the screen
5. Select the correct device firmware file (will end with -ota.zip)
6. The update will start automatically

</TabItem>


<TabItem value="apple">

OTA firmware updates are available on iOS & iPadOS using the nRF Device Firmware Update App available through the [Apple App Store](https://apps.apple.com/us/app/nrf-device-firmware-update/id1624454660)

1. Download the firmware release you wish to install from the [Meshtastic Download Page](/downloads), [Meshtastic GitHub](https://github.com/meshtastic/firmware/releases), or via the iOS or iPadOS app.
2. Unzip the firmware folder
3. Open the nRF DFU App and select the correct device firmware file (will end with -ota.zip)
4. Connect to your device
5. Upload the firmware

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