iOS 12.3 (build 16F5155a) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2019-05-07T17:04:09Z. 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: cd90a9177dcd30278549934ec641a1af27454036.zip.