iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2016-03-28T16:51:26Z. The update package is 419 MB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e4443d821b10e74515d1441cca38462a2ce8d7e2.zip.