I switched from Sincoder/DJIRCFCC to Drone Hacks 2 for my Mini 3 Pro, i can highly recommend it to anyone, newest firmware support, way easier and faster process, additional features (NFZ removal, 500m limit removal...) and better price (i paid €...
I’ve abandoned fcc hack due to not support latest firmware.
I’m now with drone - hacks . com
Less function but FCC hack, altitude hack (I’ve reached 1000 meters with my mini3pro) and NO FLY ZONE hack.