Use the Location menu to set your preferences for using and sharing
your location when you search for information and use location-based
applications, such as Maps. Tap the Location switch to toggle
between On and Off.
E911 Location: E911 Location cannot be turned off on any mobile phone. Intended for personal safety in urgent situations, this setting cannot be altered by the user.
Mode - Set the location mode from High accuracy (GPS and networks), Battery saving (Networks only), and Device sensors only (GPS only).