iPadOS 12.4 (build 16G5056d) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2019-06-24T17:17:04Z. The update package is 194.29 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: f8c706fae624087d727ce8aace5adb29336ebea5.zip.