1- Press the “Home” button on your iPhone. Enter your four-digit passcode, if prompted.
2- Tap “Settings” and “Location Services.” All of the services currently using the GPS feature of your phone are listed in the bottom panel of the screen.
3- Touch the “Location Services” field to disable GPS tracking. The field now shows “Off.”
4- Press the “Home” button to exit to the phone's home screen.
ithink this will help you..