This firmware is signed. This means that you can restore to it in iTunes.
Release Date | 12 September 2022 |
Upload Date | 01 September 2022 |
File Name | UniversalMac_12.6_21G115_Restore.ipsw |
File Size | 13.11 GB |
SHA256sum | 5113f8d3c77fd725ea6357ced5764bc57183d2d388492c58c46ff2729d0658e5 |
MD5sum | e60dce4e98cbe3501ce9b9d5eef354d0 |
SHA1sum | 3bae26d997c8ad246bb6ca4bd85bb8498f0680e9 |
Identifier | Mac13,2 |
cd ~/Downloads
.idevicerestore -e UniversalMac_12.6_21G115_Restore.ipsw
and press Enter.