iPadOS 12.4 (build 16G5038d) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular, 1TB Model), released on 2019-05-28T17:07:30Z. The update package is 291.13 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: 8381215d99e114c359677c5110df6a457b288fb5.zip.