iPadOS 11.2.5 (build 15D5049a) is an official Apple over-the-air update for the iPad Air 2 (WiFi), 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: 501e104a20bd4d2c749d3598d934aa844660702f.zip.