iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2016-03-21T18:56:06Z. The update package is 1.08 GB. This is a delta (partial) update that requires 8.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9e32b7948c7baf391d4e9a41530203ab7242e82b.zip.