iPadOS 13.1 (build 17A5821e) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi, 1TB Model), released on 2019-08-27T17:28:39Z. The update package is 416.82 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: afb57c490cd1f1e00823a8036dc91d8981262360.zip.