Go to Settings on your mobile phone, and select Wireless Controls.
Select VPN settings.
Select Add VPN.
Select Add L2TP/IPsec PSK VPN.
Set a VPN name. You can type anything you want,
we recommend that you name the connection Secure-VPN.
Uncheck Enable L2TP secret. Then select Set IPSec pre-shared key.
Enter Secure-VPN and tap on OK
Press menu button on the phone and select Save.
Now you should see Secure-VPN connection in the list. Tap on it.