iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad 3 (GSM), released on 2016-03-21T18:55:44Z. The update package is 197.31 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7fbfe9a9c0099681d510924316abe7ca02af6193.zip.