iPadOS 12.2 (build 16E5227a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular, 1TB Model), released on 2019-03-18T17:06:51Z. The update package is 111.65 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: 6c828dbdc176f87cb7be81ba0291bcdbedde0a6e.zip.