Download iPadOS 8.1.2 Build 12B440 IPSW Firmware Restore Files
Download the IPSW iPadOS 8.1.2 (Build 12B440) firmware file released at 09 December 2014 intended to restore iPad 4 (WiFi) via iTunes. IPSW iPadOS 8.1.2 build 12B440 is unsigned by Apple to update Apple device software.