iPadOS 13.4 (build 17E5241d) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi), released on 2020-02-26T18:17:41Z. The update package is 818 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: f0137c98ead8bfe5398569b59d4234a09c7555eb.zip.