Bootloader Version 2.40 Mmi -h43: !full! Download-

A: Check the bootloader environment via serial command hardware . If output is HW_REV: 0x43 , it matches.

Flashing a bootloader is risky. A wrong version or interrupted flash can permanently brick your device. Proceed only if you have a backup and understand the risks. bootloader version 2.40 mmi -h43 download-

Voltage: 3.3V logic, do use 5V TTL.