iPadOS 9.9.12.3 (build 16F5155a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular), released on 2019-05-07T17:04:06Z. The update package is 2.69 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: 51bd68c239b3ad64b82573d7b77fb9a835276989.zip.