iPadOS 10.3 (build 14E5273a) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2017-03-13T17:00:35Z. The update package is 356.5 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: fce5e284c1f34143efd29a1b6816b9c21ce373ed.zip.