iPadOS 9.9.11.0.1 (build 15A402) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-09-26T17:06:58Z. The update package is 1.25 GB. This is a delta (partial) update that requires 9.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b936498030991f55257361c91a1cb0d3b3091770.zip.