iPadOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPad Air 3 (WiFi), released on 2019-06-11T17:06:53Z. The update package is 239.76 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a5686413477109b6bd9815c0d7782d023cfca9be.zip.