iPadOS 9.9.11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-11-09T18:07:25Z. The update package is 1.46 GB. This is a delta (partial) update that requires 8.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 24ebc65ab356b388feb3e0c3106eae56199a436d.zip.