Download iPadOS 10.3.1 Build 14E304 IPSW Firmware Restore Files
Download the IPSW iPadOS 10.3.1 (Build 14E304) firmware file released at 03 April 2017 intended to restore iPad Air (Cellular) via iTunes. IPSW iPadOS 10.3.1 build 14E304 is unsigned by Apple to update Apple device software.