tvOS 11.2.5 (build 15K5544a) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2018-01-03T21:06:21Z. The update package is 1.15 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d31d1d4d74ab308b859b52f56c6d24809a45d089.zip.