iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-01-08T18:12:54Z. The update package is 1.1 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7bf50e20554ee639fc0999712f17bfcdfa7290fb.zip.