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 749.55 MB. This is a delta (partial) update that requires 11.2.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bd0a8908b541035aa78dd3de98e7373ae9b74833.zip.