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Problem Possible causes Possible solution
Echo or noise
Poor network link quality on the
part of your service provider.
End the call and dial again.
You may be switched to a
better-quality network link
or phone line.
Poor local telephone line quality.
End the call and dial again.
You may be switched to a
better-quality network link
or phone line.
Unable to select
certain features
Your service provider does not
support these features, or you
have not applied for services that
provide these features.
Contact your service
provider.
Battery not
charging
The battery or battery charger is
damaged.
Contact the dealer.
The phone’s temperature is below
0°C or higher than 45 °C.
Adjust the battery charging
environment to avoid
extremes of temperature.
Poor contact between the battery
and charger.
Check all connectors to
make sure all connections
have been properly made.