Zte N800 User Manual page 179

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Problem
Echo or
noise
Unable to
select
certain
features
Battery not
charge
Possible causes
Poor network link quality
on the part of your
service provider.
Poor local telephone line
quality.
Your service provider
does not support these
features, or you have not
applied for services that
provide these features.
The battery or battery
charger is damaged.
The phone's
temperature is below
0 °C or higher than 45 °C.
Poor contact between
the battery and charger.
Possible solution
End the call and dial
again. You may be
switched to a
better-quality network
link or phone line.
End the call and dial
again. You may be
switched to a
better-quality network
link or phone line.
Contact your service
provider.
Contact the dealer.
Adjust the battery
charging environment to
avoid extremes of
temperature.
Check all connectors to
make sure all
connections have been
properly made.
179

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