Find "Location Services"
Slide your finger down the display starting from the top edge of your phone.
Turn GPS on or off
Press the indicator next to "Location Services" to turn the function on or off.
Turn use of GPS position for apps on or off
Press Go to application permissions to set the location permissions for inidividual applications.
Press the drop down list below "Permissions".
Press the indicator next to "Location" to turn the function on or off.
Return to the home screen
Slide your finger up the display starting from the bottom edge of your phone to return to the home screen.