iPadOS 13.3.1 (build 17D5026c) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2019-12-17T18:13:08Z. The update package is 187.94 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: 6d4d4edac0ca6ffefc4c978b8d6ffcc073caa076.zip.