iPadOS 13.3.1 (build 17D5044a) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2020-01-14T18:20:43Z. The update package is 150.21 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: 07abe1ca422242f608cbc74f843b13ada61b8978.zip.