iOS 15.7.3 (build 19H307) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2023-01-23T18:49:34Z. The update package is 1.2 GB. This is a delta (partial) update that requires 15.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 50b8657737c52b2a75f3d7fe3fa6ef23122e8701.zip.