iOS 12.3 (build 16F5129d) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2019-04-08T17:04:54Z. The update package is 343.75 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: f4aa74b456fba38cd24cfe2211104209de554651.zip.