tvOS 12.2 (build 16L226) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2019-03-25T19:15:20Z. The update package is 760.97 MB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d57daeb2f12e01384458c29f232f57d15737789b.zip.