This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 28 March 2016 |
| Upload Date | 25 March 2016 |
| File Name | iPhone5,3_9.3_13E237_Restore.ipsw |
| File Size | 1.59 GB |
| SHA256sum | 0a1b734c9a5e2358f95bec4a077786c0de974a1b247bf981f6f9728cfd066687 |
| MD5sum | 68f40fdab6324e28db136fa11e35cd25 |
| SHA1sum | 17d42838c546bf523f5b8c381efc3365aac9cf38 |
| Identifier | iPhone5,3 |
cd ~/Downloads.idevicerestore -e iPhone5,3_9.3_13E237_Restore.ipsw and press Enter.