Frpfile Register !free! — Free

The free version only supports iOS versions 12.0 through 14.8, and it works only on devices compatible with Checkra1n jailbreak (iPhone 5S up to iPhone X). Newer devices running iOS 15 or higher are not supported by the free tool.

: Supports "Hello Screen" devices, though many free versions result in "No Signal" (calls/cellular won't work). frpfile register free

If you have any data left on the device, try to back it up (though FRP usually implies the device has already been wiped). Conclusion The free version only supports iOS versions 12