iPadOS 13.6 (build 17G5059c) is an official Apple over-the-air update for the iPad Pro 4 (12.9-inch, WiFi), released on 2020-06-30T17:22:44Z. The update package is 198.25 MB. This is a delta (partial) update that requires 13.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5a28d83b98a66ae32f2b4af5a4cc1c0a47a03291.zip.