iPadOS 9.9.11.2 (build 15C5110b) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2017-11-17T18:13:28Z. The update package is 1.69 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: 573b0158c6129cb88cf99496cf785e8638ba9d03.zip.