Galaxy Note II : Bypass Lock Screen

Here is how this Security Flaw works:-

1. Lock the device with a “secure” pattern, PIN, or password.
2. Activate the screen.
3. Press “Emergency Call”.
4. Press the “ICE” button on the bottom left.
5. Hold down the physical home key for a few seconds and then release.
6. The phone’s home screen will be displayed – briefly.
7. While the home screen is displayed, click on an app or a widget.
8. The app or widget will launch.
9. If the widget is “direct dial” the phone will start ringing.