Find "Location Services"
Slide your finger down the display starting from the top edge of your phone.
Press Settings.
Press Settings.
Press Location Services.
Turn GPS on or off
Press the indicator next to Location Services to turn the function on or off.
If you turn on Location Services, your phone can find your position using GPS. If you turn off the function, you can't use any GPS functions on your phone.
Exit
Slide your finger up the display starting from the bottom edge of your phone to return to standby mode.