iPadOS 13.1 (build 17A5837a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi, 1TB Model), released on 2019-09-10T20:16:40Z. The update package is 391.08 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: e74555b2e2ff658ef52de25b81673adb2bef06d8.zip.