This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 13 December 2021 |
Upload Date | 03 December 2021 |
File Name | iPhone12,8_15.2_19C56_Restore.ipsw |
File Size | 5.78 GB |
SHA256sum | 5eb27bb0d48d9f73e67608a7ab81a50c62179ea091d42904940d2dd8306f1e94 |
MD5sum | ea0499962ee8aa23b6495767be508a39 |
SHA1sum | 298d45abe4f718cad7d90f7a755acd40411bf89e |
Identifier | iPhone12,8 |
cd ~/Downloads
.idevicerestore -e iPhone12,8_15.2_19C56_Restore.ipsw
and press Enter.