The firmware upgrade program for M9 multi band walkie talkie includes new firmware for 20240129

M9 multi band walkie talkie frequency writing software, V0.2 version 20240129

Upgrade method:
1: Using programming cables to connect walkie talkies
2: Select firmware file
3: Click the burn write button
4: Press and hold the bottom button on the side to turn on the device.
5: There is a burning progress bar at the bottom of the software.