iPadOS 12.4 (build 16G5069a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2019-07-09T17:16:13Z. The update package is 331.78 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: 508d7606f9bd8f60a671d0c8fa7478c7236b07b8.zip.