136
Problem
Possible causes
Possible solution
Echo or
noise
The network link quality
is poor 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.
The quality of the phone
line that you are calling
is poor
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.
Cannot
charge the
battery
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.
The contact between the
battery and charger is
poor.
Check all connectors to
ensure that all
connections have been
properly made.