iPadOS 10.3 (build 14E277) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2017-03-27T16:57:08Z. The update package is 534.61 MB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b3fec625227c56d4028457a5d5f5997d32bfb4b1.zip.