iPadOS 13.4 (build 17E5233g) is an official Apple over-the-air update for the iPad Air 3 (Cellular), released on 2020-02-19T18:24:16Z. The update package is 404.29 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: 8a73d2aad7262b16d66ef2f34512637cf6f58dd7.zip.