Flashing Methods for nRF52 Devices
The nRF52 based devices have the easiest firmware upgrade process. No driver or software install is required on any platform.
Drag & Drop
nRF52 devices use the Drag & Drop installation method to install firmware releases.
nRF52 devices are able to accept OTA firmware updates from a mobile device over bluetooth.
You may wish to perform a Factory Erase prior to installing firmware to clear data that may change format and location between releases.
Convert RAK4631-R to RAK4631
If your device did not come with the Arduino bootloader you will need to perform the conversion.