iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-01-08T18:14:53Z. The update package is 1.08 GB. This is a delta (partial) update that requires 10.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a70630fa80bd2c09ac43f46cef86cf187c97e396.zip.