iOS 15.7.3 (build 19H307) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2023-01-23T18:49:30Z. The update package is 2.34 GB. This is a delta (partial) update that requires 14.7 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d540150ba28efe039059367f14085ae4cc4ac3f2.zip.