iOS 15.7.3 (build 19H307) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2023-01-23T18:49:37Z. The update package is 2.43 GB. This is a delta (partial) update that requires 14.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 07fedc544fc3cd11778c9be4f30a84a4d816af7d.zip.