To install OpenVPN client on your iPhone / iPad :

Step1. Download and Install OpenVPN

           Go to App store, search and download "OpenVPN Connect" App.

           

 

Step2. Send a mail with [.ovpn file] to iPhone/iPad

          You can ask OpenVPN server manager to send a mail with client.ovpn file to your mail address and open [.ovpn file] on the iPhone/ iPad.

           

 

Step3. Setup and connect to VPN server

         3-1 Click the "Add" to install .ovpn file.

                

         3-2 Turn on the button to be on connecting.

                

         3-3 You can see the below screen if connecting successfully.