iPadOS 12.4 (build 16G5027i) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi, 1TB Model), released on 2019-05-20T17:07:03Z. The update package is 267.27 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: fd34b46ce838758fd03028e949e952fe90c63481.zip.