tvOS 13.4.6 (build 17L570) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2020-06-01T17:09:26Z. The update package is 871.75 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: ca29a1331dc1a20cee2e6243153b1ee2b753bffe.zip.