This firmware is signed. This means that you can restore to it in iTunes.
Release Date | 14 December 2020 |
Upload Date | 08 December 2020 |
File Name | UniversalMac_11.1_20C69_Restore.ipsw |
File Size | 12.95 GB |
SHA256sum | e294a6770b15954e0e87f54004d1b681b9bb146a9b9cb3d563946bfac8775c07 |
MD5sum | 048a4ad637864d279ab08ad22633eca8 |
SHA1sum | fc1fe7eec02c7dddf81d2746c328775e765aed7d |
Identifier | MacBookPro17,1 |
cd ~/Downloads
.idevicerestore -e UniversalMac_11.1_20C69_Restore.ipsw
and press Enter.