This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 22 July 2019 |
| Upload Date | 15 July 2019 |
| File Name | iPhone_5.5_12.4_16G77_Restore.ipsw |
| File Size | 3.12 GB |
| SHA256sum | 7b4c00768e9179bb69120c4dab8b5da1d73a0e2fa9bacf40cd0cee8fe4543cc4 |
| MD5sum | 75279e6f2f850ba825addfe590afb8ba |
| SHA1sum | e435aa95763167106707e5d6534a4dcb66408f18 |
| Identifier | iPhone8,2 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_12.4_16G77_Restore.ipsw and press Enter.