This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 20 September 2021 |
| Upload Date | 17 September 2021 |
| File Name | iPhone_5.5_P3_15.0_19A346_Restore.ipsw |
| File Size | 5.51 GB |
| SHA256sum | 8d55da2e07fa75441c5804835c3d659d096a1d85648a1e7fe4ba5be9c93bf6c1 |
| MD5sum | d9d4d2e2b119aec4ac67d3f1ca2dfdb4 |
| SHA1sum | 0d9996d49a37768bc74fdee7cea1ce1e0a2641f4 |
| Identifier | iPhone9,2 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_P3_15.0_19A346_Restore.ipsw and press Enter.