This firmware is signed. This means that you can restore to it in iTunes.
| Release Date | 12 December 2016 |
| Upload Date | 28 November 2016 |
| File Name | AppleTV3,1_8.4.2_12H606_Restore.ipsw |
| File Size | 0.86 GB |
| SHA256sum | 68192f1f556e7df88d668b822bb3600404bc47f91c29c5b966e7c715563e79e4 |
| MD5sum | 1e1a9f9d0d2bdda75519ab12ba19314c |
| SHA1sum | a4937b46e230e50210f9a82fac707dd1cadc44ce |
| Identifier | AppleTV3,1 |
cd ~/Downloads.idevicerestore -e AppleTV3,1_8.4.2_12H606_Restore.ipsw and press Enter.