iOS 11.4.1 (build 15G5074a) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2018-06-25T17:06:34Z. The update package is 46.04 MB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e4b9fd342bc5b3061839ada4ef670f5d2e6573bc.zip.