iPadOS 10.2.1 (build 14D23) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2017-01-09T17:55:49Z. The update package is 57.99 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: 7584342106d2ed4606a801970bbb232ca1e84a57.zip.