iPadOS 12.4 (build 16G5038d) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2019-05-28T17:07:23Z. The update package is 229.07 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: 39740085e0e3f3d4bf1bc15c842f2bc1d16eba55.zip.