iPadOS 13.4 (build 17E5249a) is an official Apple over-the-air update for the iPad mini 5 (Cellular), released on 2020-03-03T18:19:39Z. The update package is 138.8 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: 26c8611292687b49051d5e720ac80488f230b9f0.zip.