near a powerful radio or television tower
when your AGPS antenna is covered (for example, by
your hand or other object) or facing the ground
when there are temperature extremes outside the
operating limits of the phone
Even where location information can be calculated in such
situations, it may take more time than usual, and your
location estimate may not be as accurate. Walking or
driving very slowly may also substantially reduce AGPS
Even where adequate signals from multiple satellites are
available, your AGPS feature will provide only an
approximate location, often within 150 feet (45 meters) but
sometimes much farther from your actual location.
The satellites used by your phone s AGPS feature are
controlled by the U.S. government and are subject to
changes implemented in accordance with the Department
of Defense AGPS user policy and the Federal Radio
Navigation Plan. These changes may affect the
performance of your phone s AGPS feature.
Hiding or Showing Location Information
When AGPS Service is turned On, services may use your known
location to provide useful information (for example, driving
directions, or the location of the nearest bank). Contact
your service provider for details.
When AGPS Service is turned Off, it does not send location
information. For more details, or to turn your
AGPS Service on or off, contact your service provider.