Download iOS 11.1.2 Build 15B202 IPSW Firmware Restore Files
Download the IPSW iOS 11.1.2 (Build 15B202) firmware file released at 16 November 2017 intended to restore iPhone 7 Plus (GSM) via iTunes. IPSW iOS 11.1.2 build 15B202 is unsigned by Apple to update Apple device software.