iPadOS 9.9.11.0.2 (build 15A421) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-10-03T17:01:56Z. The update package is 1.49 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: 8508f3776729a3cae6331c3d38a06b02c3d5eaff.zip.