iPadOS 12.2 (build 16E5223a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2019-03-11T17:08:59Z. The update package is 188.74 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: 56fd39f03ed7939e5b75c7a28a1c928e9cd0921d.zip.