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 292.67 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 426694959b8d2a90ea8ae8b340146c539f88f206.zip.