Download iOS 8.4.1 Build 12H321 IPSW Firmware Restore Files
Download the IPSW iOS 8.4.1 (Build 12H321) firmware file released at 13 August 2015 intended to restore iPhone 5 (Global) via iTunes. IPSW iOS 8.4.1 build 12H321 is unsigned by Apple to update Apple device software.