iPadOS 11.2.5 (build 15D5049a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-01-03T18:16:19Z. The update package is 112.26 MB. This is a delta (partial) update that requires 11.2.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 506fa8f23c063c261c1681447b945cc2c196f658.zip.