This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 24 July 2023 |
| Upload Date | 13 July 2023 |
| File Name | iPhone_4.0_64bit_15.7.8_19H364_Restore.ipsw |
| File Size | 4.87 GB |
| SHA256sum | 60a1247f77d4eebf2aa166f2e910e5a5287510d0185c6a8a66c3759d7a69bfda |
| MD5sum | 558c0bfb1f2cedbcd0bc3e10745e190c |
| SHA1sum | 8df13627173fe10f4aa6a14a7d5094817f009c7a |
| Identifier | iPhone8,4 |
cd ~/Downloads.idevicerestore -e iPhone_4.0_64bit_15.7.8_19H364_Restore.ipsw and press Enter.