iPadOS 9.9.11.2.5 (build 15D60) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2018-01-23T18:25:17Z. The update package is 1.45 GB. This is a delta (partial) update that requires 8.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6ac37d65da94832919ea2cd2bf77d9852951816c.zip.