Upgrading The Phone Software - Zte Lever LTE User Manual

Upgrading the Phone Software

There are several ways to upgrade your phone software:
• Use the online upgrade tool for mobile terminal
products.
• Use the one-press upgrade package offered by your
mobile service provider.
• 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.
The network is busy at the current time
Poor reception
(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 support
Unable to select
these features, or you have not applied for
certain features
services that provide these features.
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.
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.
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.
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