iOS 15.7.5 (build 19H332) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2023-04-10T17:12:25Z. The update package is 2.4 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: da408ad50f65f0335f8e6b791adb9cf2503b759f.zip.