Download iOS 8.1.2 Build 12B440 IPSW Firmware Restore Files
Download the IPSW iOS 8.1.2 (Build 12B440) firmware file released at 09 December 2014 intended to restore iPhone 5 (Global) via iTunes. IPSW iOS 8.1.2 build 12B440 is unsigned by Apple to update Apple device software.