This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 24 October 2016 |
| Upload Date | 15 October 2016 |
| File Name | iPhone_4.0_32bit_10.1_14B72_Restore.ipsw |
| File Size | 1.82 GB |
| SHA256sum | 77def8df65d92443cb3e9dc4e24eb6575449923781c22620ca92dc903e8b54dc |
| MD5sum | b2a999a7b0e340f9f052b6a09a97594e |
| SHA1sum | 07b5009c39b321f5ff2d711d9748bba56e3bfddb |
| Identifier | iPhone5,4 |
cd ~/Downloads.idevicerestore -e iPhone_4.0_32bit_10.1_14B72_Restore.ipsw and press Enter.