1. From the home screen, press the Menu key.
   
2. Tap Settings.
   
3. Under More, tap the Location switch to toggle location on/off.
   
4. Tap Agree, if prompted.
   
5. To quickly toggle GPS on/off, touch and drag down from the top of the screen to reveal the Notifications menu.
   
6. Tap Location.
   
7. While an application using location services is in use, a GPS icon will appear in the Notifications bar.