iPadOS 9.9.11.3 (build 15E6216) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2018-03-29T17:04:42Z. The update package is 1.91 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: ce625124868f02782ea947c9cbbe55a312093031.zip.