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Location 
Touch the Home Key >    > Settings > Location to manage 
location services, which help your phone and apps determine 
your location. To use location-related applications, such as 
finding your location on Google Maps, you must have location 
services turned on on your phone. 
1.  Slide the switch at the top to turn location services on or off. 
2.  When location is enabled, touch Mode to select location 
sources you want to use. 
  High accuracy: Get accurate location using both GPS 
and Wi-Fi as well as mobile networks. 
  Battery saving: Use only Wi-Fi and mobile networks to 
get your approximate location. This will drain less power 
from your battery than using GPS. 
  Device only: Use GPS to pinpoint your location. 
  Accelerated location: Use Qualcomm
®
 IZat™ hardware 
accelerated location to determine your location even 
indoors. 
Security 
Touch the Home Key >    > Settings > Security to configure 
options that help keep your phone and data safe. 
  Screen lock: Disable the screen lock or enable it with slide, 
pattern, PIN, or password. See Protecting Your Phone With 
Screen Locks. 
  Make pattern visible: Show the pattern as you draw it. This