iPadOS 12.4 (build 16G5027i) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2019-05-20T17:06:47Z. The update package is 206.63 MB. This is a delta (partial) update that requires 12.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6fe5eed5eab22b368769a05a6c7737310bc2095e.zip.