iOS 12.3 (build 16F5139e) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2019-04-22T17:09:03Z. The update package is 464.56 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: 65520ebcde3c535a794c2caae9f0d9ec4b144419.zip.