iPadOS 13.4 (build 17E5233g) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2020-02-19T18:24:18Z. The update package is 793.12 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: bf7e5bd5e17480ba1da28509a7396e2e6ca5af23.zip.