iPadOS 12.2 (build 16E5212f) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2019-03-04T18:04:54Z. The update package is 754.85 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: 29b587adb306902479e19996769b5aafd87e7d4d.zip.