iPadOS 9.9.11.4 (build 15F5049c) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2018-04-16T17:07:07Z. The update package is 1.79 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: c795d90b98c1dfc98f9b6a70f47c14dbd7b6a2f8.zip.