iPadOS 9.9.12.1.4 (build 16D57) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular, 1TB Model), released on 2019-02-07T18:06:40Z. 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: f97704856a59e33fd864ea1aeb8ad4d9e648053d.zip.