tvOS 13.3 (build 17K6449) is an official Apple over-the-air update for the Apple TV 4K, released on 2019-12-10T18:33:02Z. The update package is 1.85 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9785aec8459a690a1befcd9b786884e48afe9af0.zip.