iPadOS 13.4 (build 17E5233g) is an official Apple over-the-air update for the iPad Air 3 (WiFi), released on 2020-02-19T18:24:15Z. The update package is 398.9 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: e2507c8a988c8149d794e7de174328c4c3d25779.zip.