iPadOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular, 1TB Model), released on 2019-06-11T17:07:23Z. The update package is 248.19 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: 48232d736ffcdf3802f1fd069ca0491f152b1016.zip.