iOS 11.4 (build 15F5061d) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2018-05-01T17:06:12Z. The update package is 204.37 MB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 954c867894c90528113aa0ed7efc2fa59c9d4ef4.zip.