tvOS 8.4.4 (build 12H1006) is an official Apple over-the-air update for the Apple TV 3 (2013), released on 2022-03-14T17:13:22Z. The update package is 16.36 MB. This is a delta (partial) update that requires 8.4.4 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: 2fdd3bdbbfa3d04fd1bf575080153db95b0ecfd2.zip.