iOS 12.3 (build 16F5139e) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2019-04-22T17:08:48Z. The update package is 415.35 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: a3532162f955e616ee91a22a9623f1ba2f6e05d3.zip.