tvOS 11.3

tvOS 11.3 (build 15L5164e) is an official Apple over-the-air update for the Apple TV 4K, released on 2018-01-25T23:02:49Z. The update package is 302.56 MB. This is a delta (partial) update that requires 11.2.5 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is f49ed54fc7fcefea1321e3cddb2f2bab7db3fcca.zip.