iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2016-03-21T18:56:04Z. The update package is 329.01 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: 30d2598d7842e6a8f19a8f7eddfe9a40b8dae673.zip.