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 5s (Global) via iTunes. IPSW iOS 8.4.1 build 12H321 is unsigned by Apple to update Apple device software.