iPadOS 9.9.11.2 (build 15C6114) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2017-12-01T18:03:14Z. The update package is 1.72 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c3130e93cffc96a8721df6c436dd1b2bfd680d37.zip.