iOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-05-29T17:17:01Z. The update package is 796.81 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ba7c941394afc9b3e71501b8901803211bafb534.zip.