This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 05 November 2020 |
| Upload Date | 30 October 2020 |
| File Name | iPhone_4.0_64bit_12.4.9_16H5_Restore.ipsw |
| File Size | 2.81 GB |
| SHA256sum | cc4afa9fea7681766b397d1c2f1d06e5b4c5aeaccf83b29c0c72b4bf60afa481 |
| MD5sum | 2cc9279bf24f015e06bf51b67a11c09d |
| SHA1sum | 96edb4221812d14092a5208f5c0a8a67ef6f4bdb |
| Identifier | iPhone6,2 |
cd ~/Downloads.idevicerestore -e iPhone_4.0_64bit_12.4.9_16H5_Restore.ipsw and press Enter.