tvOS 12.4.1 (build 16M600) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2019-08-26T17:18:22Z. The update package is 1.18 GB. This is a delta (partial) update that requires 9.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d46ef0dda144fef1120653c3d74bbdd9b19c58dc.zip.