This firmware is signed. This means that you can restore to it in iTunes.
Release Date | 14 March 2022 |
Upload Date | 01 March 2022 |
File Name | UniversalMac_12.3_21E230_Restore.ipsw |
File Size | 12.92 GB |
SHA256sum | 0ceb505082b254d14a7eef406b48671c0abd7c943d25fa75ea2807ea17504006 |
MD5sum | ebc5b2018be0ae7833d528f22e4d2249 |
SHA1sum | b9e895b403586591040864d23643132c20ca7913 |
Identifier | MacBookAir10,1 |
cd ~/Downloads
.idevicerestore -e UniversalMac_12.3_21E230_Restore.ipsw
and press Enter.