iOS 11.4.1 (build 15G5077a) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2018-07-02T17:05:49Z. The update package is 43.12 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: dfbf681b087dfe58cc2a562287572729af8f51ac.zip.