This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 02 December 2017 |
| Upload Date | 30 November 2017 |
| File Name | iPhone_4.0_64bit_11.2_15C114_Restore.ipsw |
| File Size | 2.43 GB |
| SHA256sum | 93dcdd088e863435d2cd157d14a3d2e1ad6a1f0f03f88a1a15f982bf88e7e2a9 |
| MD5sum | ecdde0f760330f9ef9308389c9e5826f |
| SHA1sum | b3cf4b4b82b4abc3868a769d65717051dd930831 |
| Identifier | iPhone8,4 |
cd ~/Downloads.idevicerestore -e iPhone_4.0_64bit_11.2_15C114_Restore.ipsw and press Enter.