This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 20 May 2024 |
| Upload Date | 17 May 2024 |
| File Name | iPhone13,1_17.5.1_21F90_Restore.ipsw |
| File Size | 7.29 GB |
| SHA256sum | 028009de07cba3df0df16e754529ccee71e22a5a0131c9a76ff752c4160a358f |
| MD5sum | 64a52033e48e3f2b8fe85042505cd534 |
| SHA1sum | 040d16893ba4b6bf0fc79aff1dbe256f5e1b59d2 |
| Identifier | iPhone13,1 |
cd ~/Downloads.idevicerestore -e iPhone13,1_17.5.1_21F90_Restore.ipsw and press Enter.