This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 31 March 2016 |
| Upload Date | 30 March 2016 |
| File Name | iPhone5,1_9.3.1_13E238_Restore.ipsw |
| File Size | 1.58 GB |
| SHA256sum | aa1672f7aabf4141666141bd754304203a35d224116f2585f3245c264eb43652 |
| MD5sum | 882c234479bade4b4cbfd25a9c78a0a7 |
| SHA1sum | 13c3b1aebb18f012261cedb0bd5149050f063187 |
| Identifier | iPhone5,1 |
cd ~/Downloads.idevicerestore -e iPhone5,1_9.3.1_13E238_Restore.ipsw and press Enter.