iPadOS 12.4 (build 16G5027g) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2019-05-15T17:05:22Z. The update package is 209.29 MB. This is a delta (partial) update that requires 12.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 62af62a17e4503c8b2526908820946eac0eee923.zip.