This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 24 September 2019 |
| Upload Date | 17 September 2019 |
| File Name | iPhone_4.7_P3_13.1_17A844_Restore.ipsw |
| File Size | 3.67 GB |
| SHA256sum | 9febe6c4f542e11db01278abe2af067e1756aeaaadf44b868563833258166a93 |
| MD5sum | 87b82e0bbfd46481daf24acb60c5652e |
| SHA1sum | bdedd8f56a4b8a0239eb5466e5dcb91e464b593d |
| Identifier | iPhone10,4 |
cd ~/Downloads.idevicerestore -e iPhone_4.7_P3_13.1_17A844_Restore.ipsw and press Enter.