This firmware is signed. This means that you can restore to it in iTunes.
Release Date | 04 November 2021 |
Upload Date | 19 October 2021 |
File Name | UniversalMac_12.0.1_21A559_Restore.ipsw |
File Size | 13.13 GB |
SHA256sum | 3b8fcc1b674542a944fbefb69d29858b0728b1a829d18fd3d3e958691bc693bf |
MD5sum | 4d27e37df1215c90353a944da731dc14 |
SHA1sum | aa422d3ef4a8a1a454e66db586fa71a940901943 |
Identifier | MacBookPro18,2 |
cd ~/Downloads
.idevicerestore -e UniversalMac_12.0.1_21A559_Restore.ipsw
and press Enter.