iPadOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, Cellular, 1TB Model), released on 2020-01-22T18:07:13Z. The update package is 214.21 MB. This is a delta (partial) update that requires 13.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0989b79d2f3dc8b233dfe464b8bf4caf1d35b077.zip.