iPadOS 9.3.1 (build 13E238) is an official Apple over-the-air update for the iPad mini (WiFi), released on 2016-03-31T16:51:22Z. The update package is 18.34 MB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1e83de1102967f06e8ac7e529e10af9ee58581e6.zip.