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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 and upgrade package to your microSDXC card and install it
to your phone from the card.
NOTE:
Visit the ZTE official handset service support website
Z-Community
(https://
community.zteusa.com) to learn more about the above upgrade methods, as well as
which phones and methods are supported.
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 cannot
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.
