iPadOS 9.9.11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2017-11-09T18:03:50Z. The update package is 1.19 GB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 357c0a414047e6c4eea52f30ab080a5a9fd70d35.zip.