HELP - Flashing ESC firm update


#1

Hello team. Rookie here. I tried to flash my escs with the latest updates and one of the escs has “f” which means “flash failed” I think. it looks like this in Blheli “f-2-3-4” And the first motor does not spin.
How do I fix this?


#2

try again i would say or flash the old firmware back