Radiomaster tx12 Mark2 Update

1. Flash - EdgeTx EdgeTx doc official doc

1. Backup SD card.

   1. Turn on radiomaster

   2. Connect radiomaster to computer

   3. Backup NO NAME disc to computer

2. Turn off radiomaster

3. goto site EdgeTX Radio firmware

4. Connect radiomaster to computer (will be connected to a computer via DTU)

5. Choose version

6. Flash

4. Flash ELRS

How to Flash RadioMaster TX12 MKII ELRS