iPadOS 13.0 (build 17A5547d) is an official Apple over-the-air update for the iPad Air 3 (WiFi), released on 2019-07-29T17:16:54Z. The update package is 531 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: 454f35776275ad72509a4c30e32ca76f5d3620d2.zip.