iPadOS 10.2.1 (build 14D23) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2017-01-09T17:55:48Z. The update package is 55.44 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: 46bfc6e3b9b52e831d86bc1cad8c1fdab4913827.zip.