Zte Z557, Руководство пользователя

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Problem Possible causes Possible solution
Poor local telephone line
quality.
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 32°F (0°C) or higher
than 113°F (45°C). Adjust the battery charging
environment to avoid extreme
temperatures.
Poor contact between the
battery and charger.
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 for a new
battery.