iPadOS 12.2 (build 16E5212f) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2019-03-04T18:04:53Z. The update package is 358.77 MB. This is a delta (partial) update that requires 12.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: becb3f103bf1ed0a2b01edd1336d33f2b3fd8bd5.zip.