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_5.5_P3_13.1_17A844_Restore.ipsw |
| File Size | 3.84 GB |
| SHA256sum | c83de6a2899b661b7a6d1840cb778b3bc2a13415aa67886ca9720caf3207f330 |
| MD5sum | 22aec0887097e5a6322f84b3c0bc7430 |
| SHA1sum | c64b834b7271c49ad2dbf9fe5712da63137a66b3 |
| Identifier | iPhone10,5 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_P3_13.1_17A844_Restore.ipsw and press Enter.