iPadOS 13.4 (build 17E5233g) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2020-02-19T18:24:19Z. The update package is 365.34 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: 9fb64b54fa11b411c9070e657f9acd29c38696aa.zip.