iPadOS 13.5 (build 17F5054h) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2020-04-29T17:06:37Z. The update package is 318.2 MB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4d8f603bb4bc4997169b675f9d46dc32c4f5f02a.zip.