Download iPadOS 9.3 Build 13E237 IPSW Firmware Restore Files
Download the IPSW iPadOS 9.3 (Build 13E237) firmware file released at 28 March 2016 intended to restore iPad 4 (GSM) via iTunes. IPSW iPadOS 9.3 build 13E237 is unsigned by Apple to update Apple device software.