tvOS 13.4.6 (build 17L570) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2020-06-01T17:09:25Z. The update package is 871.84 MB. This is a delta (partial) update that requires 12.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 28a2b001dd03108a8824eb6177dedce84b724044.zip.