iOS 12.3 (build 16F5139e) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2019-04-22T17:08:47Z. The update package is 409.75 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: 9638d8f324a210b6d927c9c8ca5fb98f165e27dc.zip.