https://wccftech.com/tvos-11-2-1-has-been-released-for-apple-tv-4-apple-tv-4k-users/ >tvOS 11.2.1 is now available to download for Apple TV 4 and Apple TV 4K users. It brings the same HomeKit patch as iOS 11.2.1. >Alongside iOS 11.2.1, Apple has released tvOS 11.2.1 as well. Both software updates feature the same changes, and it’s important that you download it right away.