Zte Valet Z665C User Manual page 39

Troubleshooting
Problem Possible Causes
The battery or battery charger is damaged.
The phone's temperature is below 32°F
Battery not
(0°C) or higher than 113°F (45°C).
charging
Poor contact between the battery and
charger.
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.
Shortened standby The battery is depleted. In high temperature
time environments, battery life will be shortened.
If you are not able to connect to the
network, the phone will continue to send
out signals as it attempts to locate a base
station. Doing so consumes battery power
and will consequently shorten standby time.
Cannot turn your
Battery power has been depleted.
phone on
Unable to connect You are not within the network's service
to the network area.
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Possible Solution
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.
If you are located in an area where
signaling is weak, temporarily power off
the phone.
Use a new battery.
Change your location to one where the
network is accessible, or temporarily turn
off your phone.
Recharge the phone's battery.
Check the service area with your service
provider.
Problem Possible Causes
Poor signal.
You cannot make You have activated the Fixed dial
numbers feature.
outgoing calls.
You have activated the Call barring
feature.
You have entered an incorrect PIN code
PIN Code blocked
three consecutive times.
Unable to enter
information into The phonebook's memory is already full.
the phonebook
Phone crashes,
reboots, freeze, or Some third-party software is not compatible
cannot be powered with your phone.
on
You have activated the Call barring
Cannot answer
incoming calls feature.
Troubleshooting
Possible Solution
Move to an open space, or if you are inside
a building, move closer to a window.
Go to Call settings to check the Fixed
Dialing Numbers and disable it.
Upgrade the phone software.
Contact your service provider.
Delete unnecessary data from the contacts.
Reset the phone to factory status.
Enter safety mode and uninstall the
software that may cause the problem.
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