This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 26 April 2021 |
| Upload Date | 14 April 2021 |
| File Name | iPhone_5.5_14.5_18E199_Restore.ipsw |
| File Size | 4.59 GB |
| SHA256sum | 4844689f3d304507eb8429a8f15609c644ced400334638cf05ab0c0bc03910d7 |
| MD5sum | 29253afcc63806f829b5d9dd97bd5cab |
| SHA1sum | b21b42398d51504cab0c574bcb5c3939500cdc96 |
| Identifier | iPhone8,2 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_14.5_18E199_Restore.ipsw and press Enter.