iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2016-03-21T18:56:05Z. The update package is 1.16 GB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 123b1db672b7b4970f3058b9ff3893471caddaec.zip.