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Problem Possible causes Possible solution
The local telephone line quality
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.
Shortened
standby time
The standby time is related to
your service provider system
configuration. The same phone
used with different service
providers’ systems will not
provide exactly the same length
of standby time.
If you are located in an area
where signaling is weak,
temporarily power off the
phone.