iPadOS 9.9.11.1.2 (build 15B6202) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2017-11-16T21:13:11Z. The update package is 1.73 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: 213601a08bb51d75779dc09d15ae14e687ffe941.zip.