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 | iPhone5,3_8.4.1_12H321_Restore.ipsw |
| File Size | 1.55 GB |
| SHA256sum | 29ceb1c5a0c9d164af86b5e323ea358b92662839a8ae013139dcb1191dc26965 |
| MD5sum | 609614738c8bf489cd632420fae9bc16 |
| SHA1sum | f4f607601bbda4e22be98c88df51a54a95ba9808 |
| Identifier | iPhone5,3 |
cd ~/Downloads.idevicerestore -e iPhone5,3_8.4.1_12H321_Restore.ipsw and press Enter.