Settings 163• Backup account: When Back up my data is turned On, set up a Google accountfor backups. You can set up a new Google account, or sign in to an existingaccount.• Automatic restore: When Back up my data is turned On, you can also turn onAutomatic restore to automatically restore settings and other information from thebackup when you reinstall an app. Factory data reset: Erase all your information from the phone, and return thesettings to the factory defaults. All data will be erased, and cannot be recovered. Afactory data reset also erases the key for decrypting files stored on an optionalinstalled memory card, so files on the card cannot be used after the reset.Location ServicesControl apps’ access to your location, and configure location sources.Some apps may require one or more location services be turned On for full app functionality.GPS signals may be affected by your surroundings, including:● Buildings● Tunnels or underground structures● Weather conditions● High-voltage or electromagnetic fields● Tinted windowsNote: E911 location service is standard on all mobile phones, to allow sharing of GPSinformation with emergency personnel when you make a call to emergency services,such as 911.1. Press and tap > Settings > More.2. Tap Location services to set these options: Access to my location: Tap the ON/OFF switch to turn location services On or Off.When On, you are allowing Google’s location service to collect anonymous locationdata. Some data may be stored on your device, and collection may occur even whenno apps are running. Location sources: When Access to my location is turned On, select sources forlocation information.• Use GPS satellites: When enabled, your phone obtains location informationfrom GPS satellites.