iPadOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2020-02-05T18:17:02Z. The update package is 716.34 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: df013fd015391ed879c00edbe2fd21dce5319217.zip.