Download iPadOS 13.1.1 Build 17A854 IPSW Firmware Restore Files
Download the IPSW iPadOS 13.1.1 (Build 17A854) firmware file released at 27 September 2019 intended to restore iPad Air 2 (Cellular) via iTunes. IPSW iPadOS 13.1.1 build 17A854 is unsigned by Apple to update Apple device software.