iPadOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2019-06-11T17:07:05Z. The update package is 272.33 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: d6f02ad608701dff206b3f9d69d1333997fba77c.zip.