iPadOS 9.9.11.0.2 (build 15A421) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2017-10-03T17:02:54Z. The update package is 1.34 GB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e66f447d4d3cb03c57b9bdfe00efdc6d949d4b8d.zip.