iOS 12.3 (build 16F5156a) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2019-05-10T17:09:53Z. The update package is 455.23 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: de6f952cd98ab23813f4b945c32e5898cdf5bacb.zip.