tvOS 13.4.5 (build 17L5543d) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2020-04-15T17:21:34Z. The update package is 1.65 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: 56bd042fa1cc0b0f2b82f986a16710375bae54a8.zip.