Zte GRAND X4, Руководство пользователя

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158
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.
The battery is depleted. In
high temperature
environments, battery life
will be shortened.
Contact the dealer to
change a new battery.