This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 13 August 2015 |
| Upload Date | 07 August 2015 |
| File Name | iPhone7,1_8.4.1_12H321_Restore.ipsw |
| File Size | 2.22 GB |
| SHA256sum | db66f4d0fc7a0728a81a08ecdacabd216d63dfd8fcef10298666ec17ea310006 |
| MD5sum | de1aa4441e1893fd0b87b1f41fa93291 |
| SHA1sum | deb9be1c3c2eab79740eb114e104962763e478eb |
| Identifier | iPhone7,1 |
cd ~/Downloads.idevicerestore -e iPhone7,1_8.4.1_12H321_Restore.ipsw and press Enter.