iPadOS 9.9.12.3 (build 16F5117h) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2019-03-27T17:06:09Z. The update package is 2.16 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: 74ab99d924f11d5ad1b57ec51e96f4a93b207f47.zip.