iPadOS 13.1 (build 17A5837a) is an official Apple over-the-air update for the iPad Pro 3 (11-inch, WiFi), released on 2019-09-10T20:16:11Z. 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: b7da708d266cdecaed4d9b4bdf6e275d8684a9ba.zip.