This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 13 August 2015 |
| Upload Date | 07 August 2015 |
| File Name | iPhone5,4_8.4.1_12H321_Restore.ipsw |
| File Size | 1.55 GB |
| SHA256sum | 7f76cadbf0675de054e5a16616987014ec0adaebd99a917a9732a478b0380ce5 |
| MD5sum | 52001286ff7de811a3d8512da24f4d01 |
| SHA1sum | f84126463ea79cc200880a202d78b2471537a7e5 |
| Identifier | iPhone5,4 |
cd ~/Downloads.idevicerestore -e iPhone5,4_8.4.1_12H321_Restore.ipsw and press Enter.