tvOS 11.2.6 (build 15K600) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2018-02-19T21:11:24Z. The update package is 692.95 MB. This is a delta (partial) update that requires 10.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 38a230edb4bb1707bd73dff3cfc945d85616bcbd.zip.