tvOS 13.3 (build 17K5433c) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2019-11-05T18:20:47Z. The update package is 154.73 MB. This is a delta (partial) update that requires 13.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1be6680c66f9c02f8ba05968683850a2a1f92535.zip.