iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-02-19T21:12:45Z. The update package is 501.17 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fe301e4eb99ae1b97b969d8ff1314bb5efaa2647.zip.