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 | iPhone_5.5_P3_13.1.1_17A854_Restore.ipsw |
| File Size | 3.84 GB |
| SHA256sum | 33be801fb0331b7b23b941675757090e441348132c445502d25e6da5eb8168b0 |
| MD5sum | 7f13a3e5eac801aa4dec05b30a740ae4 |
| SHA1sum | d964988131f7f0563e29dec372bd43a654a69018 |
| Identifier | iPhone9,4 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_P3_13.1.1_17A854_Restore.ipsw and press Enter.