iPadOS 12.4 (build 16G5056d) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-06-24T17:17:01Z. The update package is 268.02 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: c1853e3a907f759815e32687d646ebcc75b0413b.zip.