iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2016-03-21T18:56:09Z. The update package is 447.2 MB. This is a delta (partial) update that requires 9.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 077ef37ae758ffb086babda20f7a30948629bd71.zip.