tvOS 13.4.5 (build 17L5553c) is an official Apple over-the-air update for the Apple TV 4K, released on 2020-04-29T17:14:00Z. The update package is 1.87 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: c185256af298eb0645c593d20cf57ed28e884779.zip.