iPadOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi, 1TB Model), released on 2019-09-04T17:05:57Z. The update package is 329.89 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: 749704a4b5cc6f29dff9f47a95036a2a174e7244.zip.