iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2016-03-28T16:51:03Z. The update package is 986.55 MB. This is a delta (partial) update that requires 8.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8ff2c59a953989e7b0fe589f14520ad05da73570.zip.