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_P3_14.5_18E199_Restore.ipsw |
| File Size | 4.93 GB |
| SHA256sum | 75625e3ead5438b53523df3d4e53460eac06a8e3e99d6d18b2a802a9577a4e51 |
| MD5sum | af5b53dbf3184f5dec84bbdc29262bb0 |
| SHA1sum | 319ac3b97113dfee68867f6f676b8176463e83f4 |
| Identifier | iPhone10,5 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_P3_14.5_18E199_Restore.ipsw and press Enter.