You can use OpenVPN in iOS. Please search openvpn from AppStore and install ”OpenVPN Connect”. Please tap one of next links. setting files1 setting files2 Please tap Open in ”OpenVPN”. Please tap +. Input Username and Password, turn on switches. Refer to the log-in information on Cup.com setting log-in. Please tap OK. Finished setting and connecting. If you can not connect , try another setting file.