iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2016-03-28T16:51:03Z. The update package is 949.25 MB. This is a delta (partial) update that requires 8.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fc0f9c770eca6bbaf95331301359ad0c18c7c78c.zip.