iPadOS 13.6 (build 17G5059c) is an official Apple over-the-air update for the iPad Pro 4 (12.9-inch, WiFi), released on 2020-06-30T17:22:43Z. The update package is 295.65 MB. This is a delta (partial) update that requires 13.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e4d24aa41c5c07e5fa814eecd2592ab91d566d66.zip.