This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 27 September 2010 |
| File Name | AppleTV2,1_4.1_8M89_Restore.ipsw |
| File Size | 0.24 GB |
| SHA256sum | 221e93f7ec7b41aeaf708018f6a7a90db1fca4789cce3d1b94afe566a3cc41d3 |
| MD5sum | 35c8ab4b7e70ab0e47e2f5981e52ba55 |
| SHA1sum | 68647d6ce163fc20891ca5bcff647c8eecc2b8d9 |
| Identifier | AppleTV2,1 |
cd ~/Downloads.idevicerestore -e AppleTV2,1_4.1_8M89_Restore.ipsw and press Enter.