iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2018-01-08T18:15:30Z. The update package is 1.08 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b205e2e5c24b3fb8eab1c82a2f6658a19d8b9b5e.zip.