tvOS 11.4.1 (build 15M73) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2018-07-09T17:13:36Z. The update package is 831.81 MB. This is a delta (partial) update that requires 10.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1e796720310e2493e8aceed2cfe58ad97c31ba17.zip.