iOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2018-07-09T17:10:56Z. The update package is 848.7 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e0ade9b14ea8ad9840b5e3c1368b00662eb881af.zip.