Operation Manual

159
Problem Possible causes Possible solution
Poor network trunk
quality on the part of
your service provider.
End the call and dial
again. You may be
switched to a
better-quality network
trunk or phone line.
Echo or
noise
Poor local telephone line
quality.
End the call and dial
again. You may be
switched to a
better-quality network
trunk 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.
The battery or battery
charger is damaged.
Contact the store.
The phone’s
temperature is below
0 °C or higher than 45 °C.
Adjust the battery
charging environment to
avoid extremes of
temperature.
Battery not
charge
Poor contact between
the battery and charger.
Check all connectors to
make sure all
connections have been
properly made.