tvOS 12.2 (build 16L226) is an official Apple over-the-air update for the Apple TV 4K, released on 2019-03-25T19:15:29Z. The update package is 308.8 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fb94874aa1539f62398288806736cc34b291c33d.zip.