Download iOS 12.1.2 Build 16C101 IPSW Firmware Restore Files
Download the IPSW iOS 12.1.2 (Build 16C101) firmware file released at 17 December 2018 intended to restore iPhone 5s (Global) via iTunes. IPSW iOS 12.1.2 build 16C101 is unsigned by Apple to update Apple device software.