iPadOS 12.4 (build 16G5056d) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular), released on 2019-06-24T17:17:13Z. The update package is 340.9 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: ea54c016d2a442ab3a2406e123f859d4b7c525c3.zip.