iPadOS 13.3.1 (build 17D5044a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular), released on 2020-01-14T18:20:57Z. The update package is 202.43 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: e9322d0a29f417268fe32ffbd81fa882db2b0266.zip.