iPadOS 13.1 (build 17A5821e) is an official Apple over-the-air update for the iPad Pro 3 (12.9-inch, Cellular), released on 2019-08-27T17:28:57Z. The update package is 422.59 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: b6fa2131a04f604487a0bc8dca8395e2c5683de7.zip.