Find "Location Services"
Press Settings.
Press Privacy.
Press Location Services.
Turn GPS on or off
Press the indicator next to "Location Services" to turn the function on or off.
Turn use of GPS for applications on or off
Press the indicator next to the required application to turn use of GPS for the specific applications on or off.
The menu items are only available if you turned on Location Services in step 2.
Save settings
Press Privacy to save the settings.
Return to the home screen
Press the Home key to return to the home screen.