Happy news for Apple TV 4 , Pangu jailbreak team just has released jailbreak tool for Apple TV 4, this jailbreak tool support only with tvOS9.0 – tvOS 9.0.1and it support currently only Mac version, it is not support with tvOS 9.1 and tvOS 9.2
The jailbreak gives SSH access without GUI-based components and is predominantly gone for jailbreak developers and security scientists. All things considered, this ought to still be considered as an uplifting news as it opens the entryway for new changes and upgrades to the Apple TV. For example, jailbreak developers could give an approach to clients to topic the interface of Apple TV separated from getting a charge out of new components.
Here you can download pangu jailbreak tool for Apple TV 4 using this link and all can get guide for how to jailbreak your Apple TV 4 using this link
Pangu team already released jailbreak tool for iOS 9.1 few day ago also they will released jailbreak tool for iOS 9.3 soon