iPadOS 12.4 (build 16G5038d) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular), released on 2019-05-28T17:07:29Z. The update package is 262.32 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f73483a05d0d71ff0599cb2ec1f69b487347c1c1.zip.