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
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 official 4.3.1): betaflight_4.3.1_STM32F411 Dump file: dump for Crux35 analog ELRS V2 dump for Crux35 HDZERO and HD DJI ELRS V2 Manual: Crux35 Crux35HD DJI and Crux35 HDZERO FPV Racer Drone ELRS V2 manual Bind procedure video:
Analog version: Bassline SPI ELRS version manual Bassline SPI Frsky version manual Bassline PNP version manual HD Digital version: Bassline Walksnail UART ELRS version manual Bassline Walksnail SPI ELRS version manual Bassline HDZERO SPI ELRS version manual