iPadOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi), released on 2019-09-04T17:05:55Z. The update package is 532.06 MB. This is a delta (partial) update that requires 13.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3547bb1ebfb6557957730d07f2796a830a3a00c8.zip.