Download iOS 12.1.4 Build 16D57 IPSW Firmware Restore Files
Download the IPSW iOS 12.1.4 (Build 16D57) firmware file released at 07 February 2019 intended to restore iPhone 8 (GSM) via iTunes. IPSW iOS 12.1.4 build 16D57 is unsigned by Apple to update Apple device software.