iPadOS 9.9.11.1 (build 15B93) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2017-10-23T17:05:10Z. The update package is 1.21 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: 4ba6dd0cc0ab23b8fee2e39680a36dd20cf03584.zip.