iPadOS 9.3 (build 13E5225a) is an official Apple over-the-air update for the iPad 4 (GSM), released on 2016-03-01T18:13:10Z. The update package is 112.55 MB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2f64cad6b235ec0bce4fad2e06f7f1294533c087.zip.