iPadOS 12.4 (build 16G5077a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular), released on 2019-07-16T17:39:19Z. The update package is 132.27 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: 56fd53756b630ebb917d76e7e3fcde2e5ce3f529.zip.