iPadOS 12.2 (build 16E5212f) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular), released on 2019-03-04T18:04:51Z. The update package is 759.09 MB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 43271b9d109f3d37790e01f1dd9a8d55a3c3ad21.zip.