iPadOS 9.3.1 (build 13E238) is an official Apple over-the-air update for the iPad mini (WiFi), released on 2016-03-31T16:51:21Z. The update package is 263.94 MB. This is a delta (partial) update that requires 9.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8b044373ff00ef25d6b48efd44215748b21c2192.zip.