This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 08 April 2015 |
Upload Date | 04 April 2015 |
File Name | iPhone6,1_8.3_12F70_Restore.ipsw |
File Size | 1.77 GB |
SHA256sum | b89f91212b9ca966be93f403adc410deff803c87e725b3820cb67f0fd7e4fb83 |
MD5sum | c9614310b6e21ebf1d5ecf0c8af7097d |
SHA1sum | 8f1f74f652830b63468dc0c6f12af6d318df8d7f |
Identifier | iPhone6,1 |
cd ~/Downloads
.idevicerestore -e iPhone6,1_8.3_12F70_Restore.ipsw
and press Enter.