1.- Go to the iPhone ' Settings' icon and select 'General'.
2.- In this step, you must select Network.
3.- After choosing Network, you will select VPN.
4.- Here, you would find the field, “Add VPN Configuration”. Select it and provide all the relevant details to set up your VPN connection.
6.- In this field you will select PPTP.
In this step, you just need to add your VPN configuration:
In the Description field, you have the choice to select a Name for your VPN Connection. It can be any Name you choose to use like 'VPN to UPV'
In the Server name field, “vpn.upv.es” .
Like server name, details like Your Account Name and Password will also be provided by your VPN service provider.
After filling the previous three fields, you will need to turn your RSA Secure ID to Off.
Select your encryption level to Auto and turn “Send All Traffic” to “ON”.
Now that you have provided configuration details. Save your settings and return to Home menu of your iPhone.
Now after pressing Settings, you will find VPN Slider Tab added to your settings just under the Wi-Fi Tab.
By turning it to ON. You are ready to browse internet using the protection of VPN.