Download iPodOS 4.1 Build 8B117 IPSW Firmware Restore Files
Download the IPSW iPodOS 4.1 (Build 8B117) firmware file released at 31 August 2010 intended to restore iPod touch 4 via iTunes. IPSW iPodOS 4.1 build 8B117 is unsigned by Apple to update Apple device software.
