iOS 12.3 (build 16F5148a) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2019-04-29T17:36:19Z. The update package is 465.66 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: 6f24bdbd35ecaa0e9496c31b78f4eb0d9d3a04f2.zip.