iPadOS 12.4 (build 16G5069a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular, 1TB Model), released on 2019-07-09T17:16:10Z. The update package is 336.02 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: 1fe62fcda742dca14b28133dfcc26174bec8e55a.zip.