iPadOS 9.2.1 (build 13D14) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2016-01-04T17:58:48Z. The update package is 34.1 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1e7c9b4e6a8a31fbd6f67375dfabfe325e9ff1aa.zip.