This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 25 October 2023 |
| Upload Date | 21 October 2023 |
| File Name | iPhone16,1_17.1_21B80_Restore.ipsw |
| File Size | 7.64 GB |
| SHA256sum | ed8e57a96a1e2034a1fa7936f978ea533dd9f78a263daf7be8725555f245deb8 |
| MD5sum | b2c8c0e90b8802528ac0033897552ed4 |
| SHA1sum | 25bd78b09369466fcc0644f5b1d66d5798a74c96 |
| Identifier | iPhone16,1 |
cd ~/Downloads.idevicerestore -e iPhone16,1_17.1_21B80_Restore.ipsw and press Enter.