iOS 12.3 (build 16F5148a) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2019-04-29T17:36:01Z. The update package is 486.28 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: 9fc34b054af70756fdda1c6223bc7bdf8ae265a0.zip.