tvOS 11.2 (build 15K5102a) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2017-11-17T18:24:01Z. The update package is 87.09 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: e7579c3f467c30c20e61e425df5d56f47ea51189.zip.