This firmware is signed. This means that you can restore to it in iTunes.
Release Date | 25 February 2021 |
Upload Date | 22 February 2021 |
File Name | UniversalMac_11.2.2_20D80_Restore.ipsw |
File Size | 12.76 GB |
SHA256sum | 62650fe071330a8fcfa7f4d0030692d7b005fdadb1891b1ec6e6658bd2cdb978 |
MD5sum | 45233fafc715dd498897cc16267340cd |
SHA1sum | 527d331410e16cd8388f05cf3b4443679e965ee6 |
Identifier | MacBookPro17,1 |
cd ~/Downloads
.idevicerestore -e UniversalMac_11.2.2_20D80_Restore.ipsw
and press Enter.