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 833.53 MB. This is a delta (partial) update that requires 10.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2c68a669d31c3e235f44c72aeb8258689af9669b.zip.