iPadOS 10.3.1 (build 14E304) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2017-04-03T17:00:06Z. The update package is 733.36 MB. This is a delta (partial) update that requires 10.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a1c0c906e54f785bd78f94b9d7e27e35edea4fad.zip.