tvOS 11.2 (build 15K5099a) is an official Apple over-the-air update for the Apple TV 4K, released on 2017-11-13T21:02:18Z. The update package is 87.64 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d180c30625354d275b3882c31a1618cfb6ff05c2.zip.