This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 03 October 2017 |
Upload Date | 28 September 2017 |
File Name | iPhone_5.5_11.0.2_15A421_Restore.ipsw |
File Size | 2.61 GB |
SHA256sum | a784bf94760dd386ed5a038f485ad9e10eaac4e6d7a8a3d671b7ef93a81a04e7 |
MD5sum | ecbb1e8ca7f26ec5f4403cebc16d40f9 |
SHA1sum | ce41820023e87221097bfb439215d625f9f49442 |
Identifier | iPhone7,1 |
cd ~/Downloads
.idevicerestore -e iPhone_5.5_11.0.2_15A421_Restore.ipsw
and press Enter.