iPadOS 12.4 (build 16G5069a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular), released on 2019-07-09T17:16:14Z. The update package is 336.03 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: 35755d46f8a5a7e2cc2a9c0532cb877084d61605.zip.