tvOS 12.2 (build 16L5212e) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2019-03-04T18:14:46Z. The update package is 305.01 MB. This is a delta (partial) update that requires 12.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7bb12a789bbbd15f263b35d945e66d270c533301.zip.