tvOS 13.4 (build 17L5255a) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2020-03-10T17:26:23Z. The update package is 1.64 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: fc560fa273db4e2e1dea085e1e66f40308ba1fb9.zip.