This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 26 January 2022 |
Upload Date | 23 January 2022 |
File Name | iPhone13,4_15.3_19D50_Restore.ipsw |
File Size | 6.18 GB |
SHA256sum | bc628b622eec77060b3199bb160b6a15e7dfa0455dbc2cf42f1552305a288a8e |
MD5sum | 9a00a99d035ac37a0b338400849048f1 |
SHA1sum | 1643857c6faae9db1ae4bd5d4fd5d935c4f5e06d |
Identifier | iPhone13,4 |
cd ~/Downloads
.idevicerestore -e iPhone13,4_15.3_19D50_Restore.ipsw
and press Enter.