iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2016-03-28T16:51:04Z. The update package is 347.98 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: 6767fa2c01c6c9590b8d82f717e7a6dde16df112.zip.