iPadOS 13.6 (build 17G5059c) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2020-06-30T17:22:19Z. The update package is 221.5 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: 706b519b706f3a6c56e8844a1c0f8eea5ecbe020.zip.