iPadOS 12.3 (build 16F5129d) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2019-04-08T17:04:35Z. The update package is 319.37 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: ce1ec1ea0052b6798c894d4fdb5fabf357f75334.zip.