iPadOS 9.9.11.0.1 (build 15A6402) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2017-09-26T17:02:43Z. The update package is 1.69 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: 3d9ac21a8d682595b159eca0c1a70d619a33b97f.zip.