Nokia C7-00

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GPS
The global positioning system (GPS) is a navigation system that
uses satellites to work out where you are.
A-GPS
The Assisted GPS (A-GPS) network service retrieves location
information using the cellular network, and assists GPS in
calculating your current location.
Your phone is set up to use the Nokia A-GPS service, unless your
network service provider has its own A-GPS settings. To get the
assistance data to your phone, you need to be able to connect to
the internet. Your phone gets the data from the service only when
needed.
Wi-Fi
Wi-Fi positioning improves positioning accuracy when GPS signals
are not available, especially when you are indoors or between tall
buildings.
Cell ID
With network (cell ID) based positioning, Maps locates you
through the cellular system your phone is currently connected to.
The availability and quality of GPS signals may be affected by your location, satellite
positions, buildings, natural obstacles, weather conditions, and adjustments to GPS
satellites made by the United States government. GPS signals may not be available
inside buildings or underground.
Do not use GPS for precise location measurement, and never rely solely on the
location information provided by GPS and cellular networks.
Depending on the available positioning methods, the accuracy of positioning may
vary from a few metres to several kilometres.
Switch positioning methods off
To save on data costs, especially when abroad, you can switch off assisted GPS (A-
GPS), Wi-Fi, or network (cell ID) positioning.
Select   > 
Settings
.
Select 
Application settings
 > 
Positioning
 > 
Positioning methods
, and switch off the
positioning methods you don't want to use.
Working out your location may take much longer, the location can be more inaccurate,
and the GPS receiver can lose your location more frequently.
Maps
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