iPadOS 12.2 (build 16E5223a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular, 1TB Model), released on 2019-03-11T17:09:38Z. The update package is 281.63 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: 8c0c460589a2c42b3bde01051eb4e0407dd30812.zip.