iPadOS 9.9.11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-01-08T18:11:21Z. The update package is 1.49 GB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4f87cfb59f639eecf382badd034b09c33c618609.zip.