Download iOS 9.3.1 Build 13E238 IPSW Firmware Restore Files
Download the IPSW iOS 9.3.1 (Build 13E238) firmware file released at 31 March 2016 intended to restore iPhone 5c (GSM) via iTunes. IPSW iOS 9.3.1 build 13E238 is unsigned by Apple to update Apple device software.