iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-01-08T18:15:00Z. The update package is 325.07 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bdf542b04c01510c06496c5f68866fe85e49c8ae.zip.