This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 31 October 2017 |
| Upload Date | 20 October 2017 |
| File Name | iPhone_5.5_11.1_15B93_Restore.ipsw |
| File Size | 2.67 GB |
| SHA256sum | 6814b16cd1dd761fb722a454dbbd83deaebeac4cfb233cf8edaaf5f2141a2924 |
| MD5sum | c38f941949c6f7821bad9ace79f3dec9 |
| SHA1sum | a3c8858aad407f84d114dcb78bc08263f80cbb83 |
| Identifier | iPhone8,2 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_11.1_15B93_Restore.ipsw and press Enter.