iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad 3 (WiFi), released on 2016-03-28T16:50:39Z. The update package is 1006.13 MB. This is a delta (partial) update that requires 8.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 510d898767be42feb1b2e89ce0df70c387a0ccbf.zip.