iOS 15.7.3 (build 19H307) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2023-01-23T18:49:32Z. The update package is 2.39 GB. This is a delta (partial) update that requires 14.5.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 16608cb606992ecca286193a876ec44b0beca876.zip.