This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 24 September 2020 |
| Upload Date | 21 September 2020 |
| File Name | iPhone_4.0_64bit_14.0.1_18A393_Restore.ipsw |
| File Size | 4.05 GB |
| SHA256sum | 169499e77773ad0af163fa7230b3ef83c1190e32da2e067bea203a4b4be5d43a |
| MD5sum | 91589f6264937a08d07fd8c95ac9971a |
| SHA1sum | d13d3133e741195068441b9e830ece23e35a94f4 |
| Identifier | iPhone8,4 |
cd ~/Downloads.idevicerestore -e iPhone_4.0_64bit_14.0.1_18A393_Restore.ipsw and press Enter.