iPadOS 9.9.11.0 (build 15A372) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-09-12T19:09:12Z. The update package is 1.34 GB. This is a delta (partial) update that requires 9.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 66cd39cb28b178f817897666a9f3e049544b6b81.zip.