iOS 12.3 (build 16F5148a) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2019-04-29T17:36:00Z. The update package is 120.02 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: 7d02abeb17e0d12b0f0ad6153f97ad02582e2f0c.zip.