This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 26 March 2021 |
| Upload Date | 23 March 2021 |
| File Name | iPhone_5.5_12.5.2_16H30_Restore.ipsw |
| File Size | 2.97 GB |
| SHA256sum | 592c8c11a61f52d39ce1d3c79fe4e52b19e4b47952935ae71a94a693f5bd5406 |
| MD5sum | c6390e6bf5631f102d67fe8d73c18b31 |
| SHA1sum | 83a9e8738c31a8da5076f7394ed2b1410bac4647 |
| Identifier | iPhone7,1 |
cd ~/Downloads.idevicerestore -e iPhone_5.5_12.5.2_16H30_Restore.ipsw and press Enter.