This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 10 February 2022 |
Upload Date | 07 February 2022 |
File Name | iPhone_4.7_P3_15.3.1_19D52_Restore.ipsw |
File Size | 5.38 GB |
SHA256sum | e61fbceef506092cdcea2d1937b4c5842b636bf98426ca46a9127bbf9dbabe88 |
MD5sum | cfa34e4b9a5b19333bf82603af629d80 |
SHA1sum | 31c8da384b3e5bc07546c512d670c0452d36c8f1 |
Identifier | iPhone9,1 |
cd ~/Downloads
.idevicerestore -e iPhone_4.7_P3_15.3.1_19D52_Restore.ipsw
and press Enter.