This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 13 September 2021 |
| Upload Date | 10 September 2021 |
| File Name | iPhone13,1_14.8_18H17_Restore.ipsw |
| File Size | 5.32 GB |
| SHA256sum | 132cc3a61423ef72f41f051abf1e4807a95c22ba3e8db7492128671087c84834 |
| MD5sum | 7c9856503b26f7e961347141ee5ce2ec |
| SHA1sum | 7002a4c14eac9b73b93dfa66bf37a8e0d929d3b2 |
| Identifier | iPhone13,1 |
cd ~/Downloads.idevicerestore -e iPhone13,1_14.8_18H17_Restore.ipsw and press Enter.