iPadOS 9.9.11.1 (build 15B93) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-10-23T17:04:31Z. The update package is 1.46 GB. This is a delta (partial) update that requires 8.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6d4677718883e35adca8c26c6797b1d58405a331.zip.