iPadOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2020-02-05T18:17:14Z. The update package is 762.38 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: 3a8e7978d21cd1cc7dc09b7976fa2fe713c53df1.zip.