iPadOS 12.2 (build 16E5227a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-03-18T17:06:34Z. The update package is 663.16 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: dd2fb4fa2f1301eba1041cdc802caf870fc1d2b4.zip.