17
Troubleshooting
Problem Suggested Solution
Can not establish
the USB connec-
tion between your
device and PC.
• You need to install the software. Run the in-
stallation program in path of My Computer >
ZTEMODEM.
• If the driver of your device is abnormal,
please reinstall the software. You need to
uninstall the software rst.
Can not establish
the Wi-Fi connec-
tion between your
device and client.
• Make sure the Wi-Fi function is active. Press
the WPS button to enable or disable
Wi-Fi function.
• Refresh network list and select the correct
SSID.
• Check the IP address to make sure your cli-
ent can obtain an IP address automatically in
the Internet protocol (TCP/IP) properties.
• Type the correct network key (Wi-Fi pass-
word) when you connect to the device.
The client con-
nected to the
device can not ac-
cess the Internet.
• Make sure your SIM card is available.
• Change the location to nd a place with good
signal.
• Check WAN Connection mode setting.
• Contact with your service provider and con-
rm your APN settings.