iPadOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2020-02-05T18:16:53Z. The update package is 704.81 MB. This is a delta (partial) update that requires 13.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d0ba253a11f5fa4982450fd34f02f6b9769af049.zip.