iOS 12.3 (build 16F5156a) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2019-05-10T17:09:22Z. The update package is 71.41 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: 8a23a3ea468390ccf71ac2b7e67728cbe760077b.zip.