iPadOS 9.9.11.0.2 (build 15A421) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-10-03T17:02:09Z. The update package is 1.22 GB. This is a delta (partial) update that requires 9.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1eb30389bf8e27c7663aa0a4d68ae096d8ca102a.zip.