Download iPadOS 8.1 Build 12B410 IPSW Firmware Restore Files
Download the IPSW iPadOS 8.1 (Build 12B410) firmware file released at 20 October 2014 intended to restore iPad Air 2 (Cellular) via iTunes. IPSW iPadOS 8.1 build 12B410 is unsigned by Apple to update Apple device software.