tvOS 11.2.6 (build 15K600) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2018-02-19T21:11:21Z. The update package is 958.79 MB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: de7280e93de72f5b27e4761bd96cff28de57dc92.zip.