This firmware is not signed. This means you cannot restore to it in iTunes.
Release Date | 08 April 2015 |
Upload Date | 06 April 2015 |
File Name | iPhone5,2_8.3_12F70_Restore.ipsw |
File Size | 1.53 GB |
SHA256sum | 705652e9d6f1c243fddb7c58f20452e1674279bb3c174494efeb55f17aefe4bd |
MD5sum | fb53dd7f4cecd7fc5515c97805769521 |
SHA1sum | af7193bfedeb4e9c8f535c5716df8c3a7c6704d1 |
Identifier | iPhone5,2 |
cd ~/Downloads
.idevicerestore -e iPhone5,2_8.3_12F70_Restore.ipsw
and press Enter.