Positioning Methods - Nokia Lumia 920 User Manual

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Positioning methods

Your phone shows your location on the map using GPS, GLONASS, A-GPS, Wi-Fi, or network (Cell ID)
based positioning.
The availability, accuracy and completeness of the location info depend on, for example, your
location, surroundings, and third party sources, and may be limited. Location info may not be
available, for example, inside buildings or underground. For privacy info related to positioning
methods, see the Nokia Privacy Policy.
The Assisted GPS (A-GPS) network service and other similar enhancements to GPS and Glonass
retrieve location info using the cellular network, and assists in calculating your current location.
A-GPS and other enhancements to GPS and GLONASS may require transferring small amounts of data
over the cellular network. If you want to avoid data costs, for example when traveling, you can turn
the mobile data connection off in your phone settings.
Wi-Fi positioning improves positioning accuracy when satellite signals are not available, especially
when you are indoors or between tall buildings. If you're in a place where the use of Wi-Fi is restricted,
you can turn Wi-Fi off in your phone settings.
Note: Using Wi-Fi may be restricted in some countries. For example, in the USA and Canada, you
are only allowed to use 5.15–5.25 GHz Wi-Fi indoors. For more info, contact your local authorities.
The trip meter may not be accurate, depending on the availability and quality of your satellite
connection.
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