iOS 15.7.4 (build 19H321) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2023-03-27T17:13:10Z. The update package is 197.59 MB. This is a delta (partial) update that requires 15.7.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 749348add18b4a9ce5d7aed8593a0b58f1c08461.zip.