This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 03 May 2021 |
| Upload Date | 27 April 2021 |
| File Name | iPhone12,8_14.5.1_18E212_Restore.ipsw |
| File Size | 4.94 GB |
| SHA256sum | a593a613f8aaef2b87fa458dacff54a90c50c215891472e96434d020e86ece68 |
| MD5sum | 2784189be0548dd4632cbbb0dce3b797 |
| SHA1sum | f58cf0d5952cbd018cd03f2463bf4a02e9c85ca1 |
| Identifier | iPhone12,8 |
cd ~/Downloads.idevicerestore -e iPhone12,8_14.5.1_18E212_Restore.ipsw and press Enter.