First flash this bin file to expresslrs TX module by wifi mode. Then you can upgrade to v3.x.x firmware version for the tx module Bin file download: repartitioner You can check more details on ExpressLRS github website https://github.com/ExpressLRS/repartitioner
Mobula8 SPI ELRS version dump Mobula8 FRSKY version dump Mobula8 FLYSKY version dump Mobula8 TBS Crossfire version dump Mobula8 PNP version dump
Manual for Mobula8 SPI ELRS 1-2S 85mm Micro FPV whoop drone Manual for Mobula8 SPI FRSKY 1-2S 85mm Micro FPV whoop drone Manual for Mobula8 SPI FLYSKY 1-2S 85mm Micro FPV whoop drone Manual for Mobula8 PNP and TBS CRSF version 1-2S 85mm Micro FPV whoop drone
Firmware Hex file (Betaflight 4.3.0 norevision): Betaflight 4.3.0 for Crux35 Frsky versionCompatible with CrazyF411 PRO FRSKY ICM42688P version (Latest version), Recommend flash firmware by betaflight configurator 10.7.x or 10.8.x Dump file: Dump file for Crux35 Frsky betaflight 4.3.0