iPadOS 9.9.11.1 (build 15B5066f) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-09-27T16:55:38Z. 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: 320e2154a5795108e96b288d4b5eb7304e32db9e.zip.