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 1008.5 MB. 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: 369c7ea59bf74018952944dd8b5c86b820542c2c.zip.