iPadOS 11.2.6 (build 15D100) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2018-02-19T21:13:12Z. The update package is 1.2 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: e4c565a3fc0259d7c7a05a26b320838e5e21e0e0.zip.