ELRSF4 2G4 V3.1 Flight controller firmware and default factory diff
Firmware download link: betaflight_4.3.0_CRAZYBEEF4SX1280_norevision ICM20689 ELRSV2.LUA download link: ELRSV2 instruction and download Default diff documents download link: For Mobula6 ELRS 2.4GHZ v2.0 version which comes with ELRSF4 2G4 V3.1 Flight controller For Crux3 1S ELRS v2.0 version which comes with ELRSF4 2G4 V3.1 Flight controller