114
UPGRADING THE PHONE SOFTWARE
115
TROUBLESHOOTING
Troubleshooting
If you encounter problems while using the phone, or if it performs
abnormally, you can refer to 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
Possible causes
Possible solution
Poor
reception
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.
Move to a location where the
network signal can be properly
received .
The network is busy at the
current time (for example,
during peak times, there may
be too much network traffic to
handle additional calls) .
Avoid using the phone at such
times, or try again after waiting a
short time .
You are too far away from a
base station for your service
provider .
You can request a service area
map from your service provider .
Echo or
noise
Poor network link quality on the
part of your service provider .
End the call and dial again . You
may be switched to a better-
quality network link or phone
line .
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 .
Upgrading the Phone Software
There are several ways to upgrade your phone software:
1 . Use the online upgrade tool for mobile terminal products .
2. Use the one-press upgrade package offered by your mobile
service provider .
3 . Use your PC to download an upgrade package to your
microSDXC card and install it to your phone from the card .
Note:
Visit the ZTE official handset service support website
(http://www .ztedevice .com/support) and click your country or
region to learn more about the above upgrade methods, as well
as which phones and methods are supported .
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