iPadOS 12.4 (build 16G5077a) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2019-07-16T17:39:15Z. The update package is 308.58 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: 3dbac34732d6d3c0f40ed6cbdab958b90fcd346c.zip.