This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 07 September 2023 |
| Upload Date | 02 September 2023 |
| File Name | iPhone_5.5_P3_16.6.1_20G81_Restore.ipsw |
| File Size | 5.73 GB |
| SHA256sum | 21074a007759d27b795a035ee91eb669b9d4f3e5de2159505ce70bb0bc4f9bce |
| MD5sum | 814c598e1aa7ee8f52b7b278d9232933 |
| SHA1sum | f4cede4bee39c443acdf597fb5ea13744c7c03a5 |
| Identifier | iPhone10,2 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_P3_16.6.1_20G81_Restore.ipsw and press Enter.