iPadOS 12.4 (build 16G5027i) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2019-05-20T17:07:07Z. The update package is 71.95 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: 5f5efcb2cf237e6ba6419e0440fc5188de04683d.zip.