iPadOS 13.4 (build 17E5233g) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2020-02-19T18:24:26Z. The update package is 800.23 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: cb3f119d7ef74368f995a34350617b803a15c73c.zip.