iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad 4 (GSM), released on 2016-03-21T18:55:46Z. The update package is 964.74 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: 6dd82029e6a5e84a244d5a8af6bb364b9bff7c1e.zip.