This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 03 April 2017 |
| Upload Date | 01 April 2017 |
| File Name | iPhone_4.7_10.3.1_14E304_Restore.ipsw |
| File Size | 2.41 GB |
| SHA256sum | 0018b77ed48e103046067ee6cc32cce84590582cbb9495c34c1d58f555b61ea9 |
| MD5sum | 7ca304502b293efcfc453b58600ddd4b |
| SHA1sum | 35c43d880f14f098b398391dbe226dee9c1048fa |
| Identifier | iPhone8,1 |
cd ~/Downloads.idevicerestore -e iPhone_4.7_10.3.1_14E304_Restore.ipsw and press Enter.