This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 26 September 2019 |
| Upload Date | 21 September 2019 |
| File Name | iPhone_4.0_64bit_12.4.2_16G114_Restore.ipsw |
| File Size | 2.92 GB |
| SHA256sum | 2d2e32f5218af319a6a09d3d851b3c784d6d6e9053902db5feafa0a82b0b1741 |
| MD5sum | 28f84c3ced632a6352cca4d1ecfdb907 |
| SHA1sum | 14f6cd991214ce4dc07a2c9031bc647f2506abb1 |
| Identifier | iPhone6,2 |
cd ~/Downloads.idevicerestore -e iPhone_4.0_64bit_12.4.2_16G114_Restore.ipsw and press Enter.