iOS 11.4.1 (build 15G5063b) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2018-06-11T17:22:03Z. The update package is 269.87 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: 36f3f563bb3b2fdbb4518cfe4a7492505f3d1d34.zip.