iPadOS 9.3.1 (build 13E238) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2016-03-31T16:53:35Z. The update package is 423.82 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: 936f845e821da53e82fc407f62680b5af0743a3e.zip.