This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 26 November 2012 |
| File Name | AppleTV2,1_5.1.1_10A831_Restore.ipsw |
| File Size | 0.54 GB |
| SHA256sum | 073ba3709d5c6ac5205717b9b35b5f5433223515c1144fcdbcff8fe8bba23d6b |
| MD5sum | dde4fa0286fc3b802e6e48751e7f9f44 |
| SHA1sum | 1ff50161d8fb7d0a804aaea49f4b31d5690a3e4a |
| Identifier | AppleTV2,1 |
cd ~/Downloads.idevicerestore -e AppleTV2,1_5.1.1_10A831_Restore.ipsw and press Enter.