This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 27 March 2017 |
| Upload Date | 20 March 2017 |
| File Name | iPhone_4.7_10.3_14E277_Restore.ipsw |
| File Size | 2.41 GB |
| SHA256sum | 80fda0c3827c227d536a1ccaed652a80ca068e01e034c9c80b59b95cc2680829 |
| MD5sum | 97225f0d018380276cef8587f3f38cb1 |
| SHA1sum | cac1164cfe38002fee8e0a160bce011d25953b83 |
| Identifier | iPhone8,1 |
cd ~/Downloads.idevicerestore -e iPhone_4.7_10.3_14E277_Restore.ipsw and press Enter.