Download iPadOS 13.4 Build 17E255 IPSW Firmware Restore Files
Download the IPSW iPadOS 13.4 (Build 17E255) firmware file released at 24 March 2020 intended to restore iPad Air 2 (Cellular) via iTunes. IPSW iPadOS 13.4 build 17E255 is unsigned by Apple to update Apple device software.