iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2018-07-09T17:11:04Z. The update package is 812.66 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: 2b67b767f69e809457e5cf9ecbff962b131d2c39.zip.