iPadOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi), released on 2020-01-22T18:07:11Z. The update package is 96.05 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: 32012c8787be39a2a98803a5094a2d99b0c6b0f5.zip.