iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2016-03-28T16:51:05Z. The update package is 231.67 MB. This is a delta (partial) update that requires 9.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3b79dcf6e2b09b02b79ec545237c3a73f323a4be.zip.