- At the Home screen, tap Security.
- At the Security screen, tap Menu.
- Select Toolbox.
- Enter the 4-digit master code.
- At the Toolbox (1 of 3) screen, tap the → arrow.
- At the Toolbox (2 of 3) screen, tap Clean Screen.
- The screen will be frozen for 30 seconds to allow you to clean it.
- Press the Back arrow twice to return to the Security screen.