iPadOS 12.4 (build 16G5056d) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2019-06-24T17:17:07Z. The update package is 209.57 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: 3a93dc063e5258d8c051ca69a0e7a481c28e840d.zip.