iPadOS 13.4 (build 17E5233g) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2020-02-19T18:24:40Z. The update package is 843.63 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: 2964292b947beb5ef2ce751ec610e5dd4960207d.zip.