iPadOS 13.1 (build 17A5837a) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular), released on 2019-09-10T20:19:24Z. The update package is 218.14 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: 9ead8617f961f00754439eb3cdeb3ebf2425635c.zip.