iPadOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2019-09-04T17:05:42Z. The update package is 499.73 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: 581f97f421f2d7508cd518f118bad70e8dd6e20f.zip.