iPadOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular, 1TB Model), released on 2020-02-05T18:17:21Z. The update package is 781.86 MB. This is a delta (partial) update that requires 13.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2dcb55637dd591864515831d2509576a7e70c557.zip.