This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 26 July 2021 |
| Upload Date | 22 July 2021 |
| File Name | iPhone12,8_14.7.1_18G82_Restore.ipsw |
| File Size | 4.96 GB |
| SHA256sum | 15a1da06667afb7f41d2debede7b9996d9997177467e195a79266dd8fd0e3c54 |
| MD5sum | c26c568b9390c1be8aa5034923ac48d9 |
| SHA1sum | 6c5da2d052a087c8c4370af7063e7ecd19a57c11 |
| Identifier | iPhone12,8 |
cd ~/Downloads.idevicerestore -e iPhone12,8_14.7.1_18G82_Restore.ipsw and press Enter.