This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 21 September 2012 |
| File Name | AppleTV3,1_5.1_10A406e_Restore.ipsw |
| File Size | 0.61 GB |
| SHA256sum | 433e9446e0f316db4355e886ff770dd0dfaca3aaf06c448b071aae7655c56fd6 |
| MD5sum | a25eaab80f04d7d6a4a6df1bf9865b23 |
| SHA1sum | c0a77b01fc8992d45e36c4449a61c6fe719bb8ef |
| Identifier | AppleTV3,1 |
cd ~/Downloads.idevicerestore -e AppleTV3,1_5.1_10A406e_Restore.ipsw and press Enter.