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FireCore has released an updated version of their jailbreaking tool – Seas0nPass to support untethered jailbreak for Apple TV 4.4.4 software update for second generation Apple TV.
Seas0nPass makes use of pod2G's untethered jailbreak, which was also used by iPhone Dev team to release Redsn0w and by Chronic Dev team to release Corona iOS 5.0.1 Untether jailbreak app earlier in the week.
FireCore has provided the following details on their blog: