iPadOS 9.9.12.1.1 (build 16C50) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular, 1TB Model), released on 2018-12-05T18:09:43Z. The update package is 2.61 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: 78558c01a6c59ae61110092571ee9fa9814f4909.zip.