We reported yesterday on the release of nitoTV, the package manager for tvOS. Just like Cydia does on iOS, it allows for the installation of unsigned apps and tweaks on Apple TV 4 and 4K, and currently supports tvOS 9, 10.0-10.1 and 10.2.2. All of these firmwares have jailbreaks, but only one of them is still being signed by Apple, ready to be downgraded to and jailbroken. But is it that simple?
How to downgrade your Apple TV 4 to tvOS 10.2.2, and whether you should