iPadOS 13.4 (build 17E5241d) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular, 1TB Model), released on 2020-02-26T18:17:40Z. The update package is 823.38 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: c8494067247d30b097012bc371fb32cc360cfa43.zip.