iPadOS 9.2 (build 13C75) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2015-12-08T18:03:51Z. The update package is 1.11 GB. This is a delta (partial) update that requires 8.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b23012afea2ea41e9c0db10a1e1c1bb160fe7205.zip.