iPadOS 9.9.11.1 (build 15B92) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-10-20T17:05:11Z. The update package is 1.71 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: 906278e4c65b9322eb7e5005f0f639534e8b34ed.zip.