This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 12 January 2022 |
Upload Date | 08 January 2022 |
File Name | iPhone11,8,iPhone12,1_15.2.1_19C63_Restore.ipsw |
File Size | 6.50 GB |
SHA256sum | 4f70021cea83a7c950f7134d576b8832114cb1f09bb03f1a0872720c8e90e81c |
MD5sum | 2588d2a6448d35a4ee35b052fead1556 |
SHA1sum | e05c16e9f45b62b5432efba30e12ab87c3475860 |
Identifier | iPhone11,8 |
cd ~/Downloads
.idevicerestore -e iPhone11,8,iPhone12,1_15.2.1_19C63_Restore.ipsw
and press Enter.