iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad 4 (GSM), released on 2016-03-28T16:51:15Z. The update package is 362.05 MB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 22bccc9b0f91d4fa206a11eb7cd6be355a5aa157.zip.