iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-01-08T18:12:56Z. The update package is 358.63 MB. This is a delta (partial) update that requires 11.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 458d729236956ba880d5edd9a4ae7cf978486285.zip.