iPadOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2020-01-22T18:07:01Z. The update package is 161.89 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: 3bfaf9a722fd6294e6def07c4ec049fd6cbfff07.zip.