iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2016-03-21T18:56:08Z. The update package is 1.18 GB. This is a delta (partial) update that requires 8.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 11fc787764a7750fa02dc41d40d03906cf2bfffe.zip.