Upgrading The Phone Software - Zte Z233VL User Manual

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 microSDHC 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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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
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.
Poor reception The network is busy at the
current time (for 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 link quality on the
part of your service provider.
Echo or noise
Poor local telephone line quality.
Your service provider does not
Unable to
support these features, or you
select certain
have not applied for services
features
that provide these features.
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 link or phone line.
End the call and dial again. You
may be switched to a better-
quality network link or phone line.
Contact your service provider.
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