This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | Invalid Date |
| Upload Date | 28 July 2011 |
| File Name | AppleTV2,1_4.3_8F455_Restore.ipsw |
| File Size | 0.31 GB |
| SHA256sum | d6ef79ebf142162e215e2280e89d4d43acc3b3cbf5c39fd733cfb2a1f18ff297 |
| MD5sum | 785f859b63edd329e9b5039324ebaf49 |
| SHA1sum | b6a2b0baae79daf95f75044c12946839c662d01d |
| Identifier | AppleTV2,1 |
cd ~/Downloads.idevicerestore -e AppleTV2,1_4.3_8F455_Restore.ipsw and press Enter.