iPadOS 11.2.5 (build 15D60) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2018-01-23T18:28:00Z. The update package is 1.1 GB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8fdbde298994913ad1158611aba9ada6662c40dc.zip.