iOS 12.3 (build 16F5155a) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2019-05-07T17:04:33Z. The update package is 465.6 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: a9f6c7cd7d6965363a578bb8c24bd5f0d6f59004.zip.