Download iOS 11.4.1 Build 15G77 IPSW Firmware Restore Files
Download the IPSW iOS 11.4.1 (Build 15G77) firmware file released at 09 July 2018 intended to restore iPhone 8 (Global) via iTunes. IPSW iOS 11.4.1 build 15G77 is unsigned by Apple to update Apple device software.