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 967.52 MB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: aebdb0103f62f28efe33d3204dcc3b3da195c937.zip.