Settings 155– Data and synchronization: View, enable, and disableindividual synchronization items.– Sync now: Touch to sync the selected account.– Remove account: Touch to remove the selected account.• Sync all: Touch to synchronize all accounts.• Add account: Touch to launch the Add account screen, selectthe desired account type, follow the prompts to define theaccount to your phone.Location servicesLocation services control your device's use of GPS signals.Some apps may require one or more location services beturned 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 windows1. From the Settings screen, under Personal, touchLocations services. The Location services screenappears.2. Touch the following options to enable/disable them.(When an option is enabled, a check mark appears inits check box.):• Use wireless networks: allows applications to use data frommobile networks and Wi-Fi to help determine your location.• Use GPS satellites: allows applications to use GPS to pinpointyour location.