iPadOS 13.3.1 (build 17D5044a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2020-01-14T18:20:47Z. The update package is 150.14 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: c900b0f9344505e056aa7ab7943734ef55b4ddd3.zip.