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 | iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_15.2.1_19C63_Restore.ipsw |
File Size | 7.01 GB |
SHA256sum | 47e421ed716d3e18b1a43f03b703988c7952319622bc344f3ca70ec922b57b00 |
MD5sum | 644301f384b251f8897668bb29dc4614 |
SHA1sum | 3587cb3ea166d0cd106a4c64c1759886d488d220 |
Identifier | iPhone12,3 |
cd ~/Downloads
.idevicerestore -e iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_15.2.1_19C63_Restore.ipsw
and press Enter.