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_5.5_P3_15.3.1_19D52_Restore.ipsw |
File Size | 5.56 GB |
SHA256sum | 1cb297d3a370754a00c7fd9c45f798bb5247ce54e2fdef64e86e73b1fdd5a8f7 |
MD5sum | 0e18f8bf20a051120b35d0357e9f748f |
SHA1sum | 3e91ea504f28ddaefcc0482267a6dcbd5ce51ffd |
Identifier | iPhone9,4 |
cd ~/Downloads
.idevicerestore -e iPhone_5.5_P3_15.3.1_19D52_Restore.ipsw
and press Enter.