tvOS 12.4.1 (build 16M600) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2019-08-26T17:18:38Z. The update package is 24.04 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b061726a96d4ad46f7d88bc6a52bd56e9ea901fd.zip.