This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 27 January 2015 |
| Upload Date | 19 January 2015 |
| File Name | iPhone5,2_8.1.3_12B466_Restore.ipsw |
| File Size | 1.49 GB |
| SHA256sum | 1fc5294c79322cd59050bb134f2ae884212cd0766a62a5248bb26c3cb47e8b33 |
| MD5sum | c57db179be0d7898829346eb821bdfee |
| SHA1sum | f531c36b01a8b41037c1bc8f35ba595ec8b6d974 |
| Identifier | iPhone5,2 |
cd ~/Downloads.idevicerestore -e iPhone5,2_8.1.3_12B466_Restore.ipsw and press Enter.