iPadOS 9.9.11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2017-11-09T18:07:59Z. The update package is 1.21 GB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d3372db4f59c9c2e1e5b065d75be3198c6ec1219.zip.