This firmware is signed. This means that you can restore to it in iTunes.
| Release Date | 16 May 2022 |
| Upload Date | 10 May 2022 |
| File Name | UniversalMac_12.4_21F79_Restore.ipsw |
| File Size | 12.89 GB |
| SHA256sum | 1f9e921f77bbcb5cf78026389d6f7331cdd675bc081ffac77fc00405a7e822b3 |
| MD5sum | e22aabbeea0c500502176f974b23cb9c |
| SHA1sum | b5553b62da22e5fdbab2b56b6eb1fb74b58555ac |
| Identifier | Macmini9,1 |
cd ~/Downloads.idevicerestore -e UniversalMac_12.4_21F79_Restore.ipsw and press Enter.