iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2018-02-19T21:13:09Z. 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: 86c51f788fca7687642b60780513eb003692181c.zip.