Download iOS 6.1.2 Build 10B146 IPSW Firmware Restore Files
Download the IPSW iOS 6.1.2 (Build 10B146) firmware file released at 16 February 2013 intended to restore iPhone 5 (GSM) via iTunes. IPSW iOS 6.1.2 build 10B146 is unsigned by Apple to update Apple device software.