This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date | 16 May 2016 |
| Upload Date | 06 May 2016 |
| File Name | AppleTV5,3_9.2.1_13Y772_Restore.ipsw |
| File Size | 1.07 GB |
| SHA256sum | 0aa08ddfa480fdbb8c66536673c0f36558a54392aa94ba70ed765fa3f69e115a |
| MD5sum | 56b1fd6a0783870065321f5de03c134d |
| SHA1sum | edf6f262b976b03193698e397f0cf219196cd343 |
| Identifier | AppleTV5,3 |
cd ~/Downloads.idevicerestore -e AppleTV5,3_9.2.1_13Y772_Restore.ipsw and press Enter.