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 871.77 MB. This is a delta (partial) update that requires 12.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6c549de2f6c0256157364b887ae21b5dc28b479b.zip.