Download iPadOS 9.1 Build 13B143 IPSW Firmware Restore Files
Download the IPSW iPadOS 9.1 (Build 13B143) firmware file released at 21 October 2015 intended to restore iPad Air (Cellular) via iTunes. IPSW iPadOS 9.1 build 13B143 is unsigned by Apple to update Apple device software.
