iOS 12.3 (build 16F5155a) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2019-05-07T17:04:14Z. The update package is 89.08 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: 5a36ee5a1a88ff1d216961eaf1736ac87953a6cb.zip.