iPadOS 10.3.1 (build 14E304) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2017-04-03T17:00:00Z. The update package is 25.23 MB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ad105452478703b98a09e0742cbffe50bb01bb73.zip.