This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 20 October 2014 |
Upload Date | 16 October 2014 |
File Name | iPhone5,4_8.1_12B411_Restore.ipsw |
File Size | 1.70 GB |
SHA256sum | d841c7b5db08418ed64b8eb608063130ad0fd0b48491cb5729ef87c7e9c0fd3b |
MD5sum | 91e8ffa4fc6e6f903a969889b695c048 |
SHA1sum | ecf042019989c61bb6532be711800e51ad02b5a9 |
Identifier | iPhone5,4 |
cd ~/Downloads
.idevicerestore -e iPhone5,4_8.1_12B411_Restore.ipsw
and press Enter.