iPadOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular), released on 2019-06-11T17:07:25Z. The update package is 328.95 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: 5e305154a7cec89a94211b4c513c7c75faf82958.zip.