iPadOS 11.2.5 (build 15D60) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-01-23T18:28:12Z. The update package is 490.64 MB. This is a delta (partial) update that requires 11.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4b6cb8c21120174eb727c7efe5f87c7c4f9bc697.zip.