iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad 3 (WiFi), released on 2016-03-21T18:55:37Z. The update package is 1009.44 MB. This is a delta (partial) update that requires 8.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 26c1e9597e6e58773a7b3a3581227fea739eef9c.zip.