This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 27 September 2019 |
| Upload Date | 24 September 2019 |
| File Name | iPhone12,3,iPhone12,5_13.1.1_17A854_Restore.ipsw |
| File Size | 4.28 GB |
| SHA256sum | f5534f740cabff1f400d687d4881c25aef9d43888304653aa503069cd1cb559d |
| MD5sum | b74cf0eeda10a33d9146e596295bb63a |
| SHA1sum | 83cc527481f432dcf1082c6a5a4880bdc43e73ee |
| Identifier | iPhone12,3 |
cd ~/Downloads.idevicerestore -e iPhone12,3,iPhone12,5_13.1.1_17A854_Restore.ipsw and press Enter.