iPadOS 9.9.11.3 (build 15E216) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-03-29T17:09:36Z. The update package is 1.53 GB. This is a delta (partial) update that requires 8.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f34beb6395b9a9b4335c4e8ac967bb4c7048bfa0.zip.