iPadOS 10.3 (build 14E5273a) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2017-03-13T17:00:58Z. The update package is 383.09 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: f0f971a35316bc338fbb3059ad9a5ce9b2b8babf.zip.