tvOS 11.2 (build 15K5102a) is an official Apple over-the-air update for the Apple TV 4K, released on 2017-11-17T18:24:01Z. The update package is 88.67 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: d87642fbc962e028699d67f069712ac73eb1bdfd.zip.