Troubleshooting - Zte Z899VL User Manual

Troubleshooting

Problem Possible Causes
The battery or battery charger is
damaged.
The phone's temperature is
Battery not below 32°F (0°C) or higher than
charging 113°F (45°C).
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.
The battery is depleted. In
Shortened
high-temperature environments,
standby time
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.
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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.
Contact the dealer for a
new battery.
Change your location to one
where the network is accessible,
or temporarily turn off your
phone.
Problem Possible Causes
Cannot turn Battery power has been
your phone on depleted.
The micro-SIM card has
malfunctioned or is damaged.
micro-SIM The micro-SIM card is inserted
card error improperly.
Debris is on the micro-SIM card
contacts.
The micro-SIM card is invalid.
You are not within the network's
Unable to
service area.
connect to the
network
Poor signal.
You have entered an incorrect
PIN code
PIN code three consecutive
blocked
times.
Phone crashes,
reboots,
Some third-party software is not
freezes, or
compatible with your phone.
cannot be
powered on
Troubleshooting
Possible Solution
Recharge the phone's battery.
Take the micro-SIM card to your
service provider for testing.
Insert the micro-SIM card
properly.
Use a soft, dry cloth to clean the
micro-SIM card contacts.
Contact your service provider.
Check the service area with your
service provider.
Move to an open space, or if you
are inside a building, move closer
to a window.
Contact your service provider. If
the service provider provides the
micro-SIM card's PUK code, use
the PUK code to unlock the
micro-SIM card.
Uninstall the software that may be
causing the problem.
Upgrade the phone software.
Reset the phone to factory status.
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