Questions And Answers - Zte D300 User Manual

C h a p t e r

Questions and Answers

If you encounter problems while using the phone, or if it performs erratically, you can consult the
information in the chart below. If your particular problem cannot be resolved using the information in the
chart, contact the dealer where you purchased the phone.
Problem
• The network signal is too weak at your
current location, for example, in a basement
or near a tall building, because wireless
transmissions can not effectively reach it.
• The network is busy at the current time (for
Poor reception
example, during peak times, there may be
too much network traffic to handle additional
calls).
• You are too far away from a base station
for your service provider.
• Poor network trunk quality on the part of
your service provider.
Echo or noise
• Poor local telephone line quality.
Your service provider does not support these
Unable to select
features, or you have not applied for services
certain features.
that provide these features.
• The battery or battery charger is damaged.
• The phone's temperature is below 0°C or
Battery will not
higher than 45 ° C.
charge.
• 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, battery life
standby time
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.
You cannot Battery power has been depleted.
switch your
phone on.
• UIM card malfunction or damage.
UIM card error
12
Possible causes
Confidential and Proprietary Information of ZTE CORPORATION 34
Possible solution
Move to a location where the network signal can
be properly received.
Avoid using the phone at such times, or try again
after waiting a short time.
You can request a service area map from your
service provider.
End the call and dial again. You may be switched
to a better-quality network trunk or phone line.
End the call and dial again. You may be switched
to a better-quality network trunk 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.
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.
Take the UIM card to your service provider for
testing.