iPadOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2020-01-22T18:07:00Z. The update package is 161.95 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: d7207d2b11627bc4fea548592903be1935bb9370.zip.