Download iOS 8.1.3 Build 12B466 IPSW Firmware Restore Files
Download the IPSW iOS 8.1.3 (Build 12B466) firmware file released at 27 January 2015 intended to restore iPhone 5 (GSM) via iTunes. IPSW iOS 8.1.3 build 12B466 is unsigned by Apple to update Apple device software.
