iPadOS 9.9.11.1 (build 15B5086a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-10-16T17:04:01Z. The update package is 1.73 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: effb0c0b35b5b87af1be85ce54dc52ea0f5c75bd.zip.