iPadOS 12.4 (build 16G5027i) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-05-20T17:06:52Z. The update package is 206.11 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: c5aeff941f07690336f49a06e781b4425190f3ab.zip.