iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2018-01-08T18:15:14Z. The update package is 1.14 GB. This is a delta (partial) update that requires 10.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 40228537643e09bba63902d04aff6adcb7292551.zip.