iPadOS 9.9.11.2.5 (build 15D60) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-01-23T18:25:24Z. The update package is 1.5 GB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fb05706e386d357767f4ecc61f913a9de73b212b.zip.