iPadOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2020-01-22T18:07:09Z. The update package is 104.23 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: 7f990411d5bec04c430dc682369b6042daa9ada5.zip.