iPadOS 13.4 (build 17E5249a) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2020-03-03T18:19:42Z. The update package is 721.44 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: d6ccbf81a010ae99af54ed26c9991bc2d8c32535.zip.