This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 23 September 2021 |
| Upload Date | 20 September 2021 |
| File Name | iPhone_5.5_12.5.5_16H62_Restore.ipsw |
| File Size | 2.97 GB |
| SHA256sum | b03bd5c751a76177ddba7fab1d28c8c4876561b41ceb87a517d416f9c5bc588f |
| MD5sum | 20f0380b2b064d74260473154bcdeed7 |
| SHA1sum | 4a5c44e3fdc4a80a569b61ff3ff252e7d6482bfd |
| Identifier | iPhone7,1 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_12.5.5_16H62_Restore.ipsw and press Enter.