iPadOS 9.9.12.2 (build 16E227) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi), released on 2019-03-25T19:08:48Z. The update package is 2.62 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: 6f02d4418bf85535ce6133f14f06c09a85c9296c.zip.