iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad Air (China), released on 2018-01-08T18:10:19Z. 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: c04d599172dc78dbf5d9a4a2dcd2a7596f423ce6.zip.