iPadOS 12.2 (build 16E5212f) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular), released on 2019-03-04T18:04:55Z. The update package is 363.02 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: 8b31bd361840ebfc31f381ee856cf7850ec2d932.zip.