This firmware is signed. This means that you can restore to it in iTunes.
| Release Date | 11 March 2026 |
| Upload Date | 08 March 2026 |
| File Name | iPhone_4.0_64bit_15.8.7_19H411_Restore.ipsw |
| File Size | 4.87 GB |
| SHA256sum | be6192964157f23dc6a096a375415c08cd420c313703694d8a25b75497667ad3 |
| MD5sum | fd08796e19c08245e797a403d2a959a0 |
| SHA1sum | d6c3599c31fc917ad2215e565017fec3ae015732 |
| Identifier | iPhone8,4 |
cd ~/Downloads.idevicerestore -e iPhone_4.0_64bit_15.8.7_19H411_Restore.ipsw and press Enter.