iPadOS 9.9.11.0 (build 15A372) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2017-09-12T19:08:32Z. The update package is 1.45 GB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ab0cfdb28b19d24a3c50fe96ed7c6e0e350adb6d.zip.