iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2016-03-21T18:55:51Z. The update package is 1.17 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: fa3358502fe71ba0a3f2f130faa004bea16a8615.zip.