iOS 12.3 (build 16F5139e) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2019-04-22T17:09:02Z. The update package is 389.13 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: 8b9060526a0f69ad984e2b3fb23017db77239dcc.zip.