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You are too far away from a
base station for your service
provider.
You can request a service
area map from your service
provider.
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 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.
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.