iPadOS 13.1 (build 17A5844a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular, 1TB Model), released on 2019-09-18T17:06:50Z. The update package is 124.31 MB. This is a delta (partial) update that requires 13.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bc4d86cc4fe874eaabae7cfaa46468ca000b49c8.zip.