iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-02-19T21:13:25Z. The update package is 1.17 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: 390b75a5c034676e47cb0c99c9b174d8d9745343.zip.