For the 1.2.65 it differentiates between the 5005 and the 90003.
I have the 5005 and tried the firmware-rak4631-1.3.46.d4ea956.uf2 and the firmware-rak4631_eink-1.3.46.d4ea956.uf2 neither one works
You only want the eink if you have an eink connected, there is a reset uf2 in the downloads folder you can use to clear all settings from your device, drop the file and connect via serial and it will erase everything. meshtastic —noproto can be used to connect via serial
Thanks Garth - the factory erase did the trick.