Download iPadOS 11.3 Build 15E216 IPSW Firmware Restore Files
Download the IPSW iPadOS 11.3 (Build 15E216) firmware file released at 29 March 2018 intended to restore iPad Air (Cellular) via iTunes. IPSW iPadOS 11.3 build 15E216 is unsigned by Apple to update Apple device software.
