iPadOS 12.4 (build 16G5027i) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2019-05-20T17:06:57Z. The update package is 54.52 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: de3c0b0501162cf4d9547eb02692e8e43b00f045.zip.