If you start with beta version 2.1.5 and after complete install you can update under the settings menu.
And here is the basics of flashing new firmware
https://docs.emlid.com/reach/firmware-reflashing/
If you start with beta version 2.1.5 and after complete install you can update under the settings menu.
And here is the basics of flashing new firmware
https://docs.emlid.com/reach/firmware-reflashing/