iPadOS 13.0 (build 17A5572a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular), released on 2019-08-21T17:05:10Z. The update package is 120 MB. This is a delta (partial) update that requires 13.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 58bc76ba99708cc4cee00beda810fb0d57a2ba8a.zip.