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 186.73 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: 5f58aa4058088d31b64d7d96fa5ba32167f7f89a.zip.