iPadOS 13.3.1 (build 17D5050a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, WiFi, 1TB Model), released on 2020-01-22T18:07:15Z. The update package is 96.07 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: 4560b88129d97f29fc2248ca9b2681ab48b4bda0.zip.