User manual

143
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
charge
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
phone and charger.
Check all connectors to
ensure that all connections
have been properly made.