VPN on Android step by step guide (Using L2TP/IPsec VPN)
Here is an instruction how to connect to a VPN Gate Public VPN Relay Server by using L2TP/IPsec VPN Client which is built-in on Android. On this instruction, every screen-shots are taken on Android 4.x. Other versions of Android 4.x are similar to be configured, however there might be minor different on UIs. Some third-parties customizes the configuration screens of Android. These screen-shots are in English version Android iOS. If you use other language, you can still configure it easily by referring the following instructions.
1. Initial configurations (only once at the first time)
Start the "Settings" application on Android.
In the "Wireless & Networks" category, open "More..." and tap "VPN".
Click the "Add VPN profile" button to create a new VPN connection setting.
A new VPN connection setting editing screen will appear. Input something string on the "Name" field (e.g. "vpn" ), and choose "L2TP/IPSec PSK" in the "Type" field.
After all inputted, tap the "Save" button and save the VPN connection setting.
2. Connect a VPN
You can start a VPN connection by using a created VPN connection setting at any time. Open the VPN connection settings list and tap a setting, you will see the following screen.
At the first time of using, you have to input "Username" and "Password" fields.
Specify "vpn" (3-letters) on both "Username" and "Password" fields, and check "Save account information" .
Tap "Connect" to start the VPN connection.
After the VPN connection will be established, the indicate string "Connected" will be displayed next to the VPN connection setting, and the status indication area of Android will show "VPN activated" message.
You can tap the message to see the current status of the VPN connection.