iPadOS 9.3.1 (build 13E238) is an official Apple over-the-air update for the iPad mini (GSM), released on 2016-03-31T16:51:32Z. The update package is 239.83 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: c41699b9c8d49c06f1fa0bbbe8e43cf22ebb4bd1.zip.