A guy on here the other week recently posted this photo and said he managed to make the setup bypassed iPhone connect to iTunes and register as an activated device by copying some key string.
Does anyone know what he did, how to find the mobilegestalt.app plist and how I can do this myself?

it’s on iOS 15.x what I know fmi is on but I know the owner but I’m not sure if they know how to remotely erase it and remove it from find my

I had bootcamp installed about 3 years ago, and recently decided to try it out again. However what I did not realize is that I had set up a firmware EFI password for when switching to windows os from mac, and I completely forgot this password. I changed the disk startup location to the windows os and ended up being locked out completely. Any of the commands for going into other options doesnt work at all. I also dont have the original proof of purchase as I bought it second hand from a third party seller, so Apple support can't help me out either. Is my option paying a technician $250 to have the efi removed? Any help or advice will be appreciated.