iPadOS 9.9.11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-11-09T18:06:59Z. The update package is 1.5 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: 122352324c1946a92c1296ea5dcb3f2921dcd7a2.zip.