Download iOS 4.3.4 Build 8K2 IPSW Firmware Restore Files
Download the IPSW iOS 4.3.4 (Build 8K2) firmware file released at 14 July 2011 intended to restore iPhone 3G[S] via iTunes. IPSW iOS 4.3.4 build 8K2 is unsigned by Apple to update Apple device software.
