iPadOS 12.2 (build 16E5212f) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2019-03-04T18:04:41Z. The update package is 282.28 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: 480900bce92cc4f09752d8ee46a84403e722322b.zip.