iPadOS 9.9.11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-11-09T18:07:09Z. The update package is 1.23 GB. This is a delta (partial) update that requires 9.3.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 90c732ae12944d457ed3f7f514a44bfbdf1815e1.zip.