iPadOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2020-02-05T18:17:19Z. The update package is 776.48 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: 9f74bdec07eca337a048bb300b0d169eb0daec30.zip.