tvOS 8.4.4 (build 12H923) is an official Apple over-the-air update for the Apple TV 3 (2013), released on 2021-04-26T17:13:37Z. The update package is 16.11 MB. This is a delta (partial) update that requires 8.4.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c6518a6ecb87021b6d670d321a3985fd8e6d2cdf.zip.