This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 28 January 2020 |
Upload Date | 22 January 2020 |
File Name | iPhone_5.5_P3_13.3.1_17D50_Restore.ipsw |
File Size | 3.90 GB |
SHA256sum | 157b0f93ffe03b457408a6c2149370a44bd5f7eb7db0ac2939f5b56b8382021a |
MD5sum | f523700a1ddfd6baa800a34b0f32825f |
SHA1sum | 52df6abf22e27c9318be0f95229af2fbae70b649 |
Identifier | iPhone9,4 |
cd ~/Downloads
.idevicerestore -e iPhone_5.5_P3_13.3.1_17D50_Restore.ipsw
and press Enter.