iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-01-08T18:11:42Z. The update package is 61.28 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3277eef94cd0eff896a251f3f2fc3284fa0baa3b.zip.