Sn0wbreeze which is a jailbreak software for iOS 5.1 jailbreak and also for other versions, was updated to the new version 2.9.3 recently by iH8Snow, the update includes Apple TV support for 4.4.3 and 4.4.4 and a bug fix on iOS 5.0.1 jailbreak of hanging on the Apple icon when booting.
You can jailbreak the following iOS versions running on any device:
- Untethered jailbreak for iOS 3.1.3, 3.2.x, 4.0.x, 4.1, 4.2.1, 4.2.8, 4.3, 4.3.3, 4.4.3, 4.4.4, 5.0.1
- Tethered iOS 5.1 Jailbreak for ios 5.1/9B176
- New Apple TV 2 support for ios 4.4.3 and ios 4.4.4
- Bug fix for an issue with iOS 5.0.1 which was happening in rare cases when after reboot it was halting on Apple logo
This was elaborated on the official blog of iH8sn0w:
Just adding this in mainly for users who dumped their SHSH blobs. On the initial boot, the Apple TV may have a black screen for 60 seconds after setting up the Apple TV. This is normal.