iOS 12.3 (build 16F5129d) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2019-04-08T17:05:17Z. The update package is 432.81 MB. This is a delta (partial) update that requires 12.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: de33a4b4332279c1d640b4bf638f03494fade97d.zip.