iPadOS 12.4 (build 16G5077a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-07-16T17:39:08Z. The update package is 264.41 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: 236fe1ba770cca0ab193af6e2167f2c66d9b6ae0.zip.