TROU LESHOOTING GUIDE
Driver or application software installation failed
a) Ensure at least 50MB of free hard disk space.
b) Before installing the driver, close all other programs.
LED indicator not flashing
a) Check if the SIM card is inserted into the SIM card slot fully and make sure it is
installed in the correct direction.
b) If the indicator light is still not flashing, disconnect the USB port and re-insert the
SIM card, then reconnect.
The Application cannot start
a) Connect the USB modem to the PC, wait about 5-10 seconds and then run the
application.
The application will automatically test if the equipment is connected or not and if the
SIM is inserted correctly or not.
b) Follow the below steps to check the modem driver: right-click My Computer →
Manage → Device Driver → Modem/Ports.
I) Make sure the modem named “Mobile connector”, the port named “Device
Diagnostic Interface” and “Device Application Interface” are displayed and do
not show warning signs.
II) If any warnings are shown, take out the USB modem and plug once again, then
the drive can be installed.
III) If you still see a warning marker, follow these steps: right-click the
“Mobile Connector”, “Device Diagnostic Interface” and “Device Application
Interface”, in the pop-up menu, select “uninstall” to uninstall the existing
drivers. Take out the modem then plug it back in again and enter the
installation menu of the driver.
Modem Connection Failure
Check if the wireless internet service is currently available and working in your
region. Check if the SIM card supports the service or not, or for further information
contact your local network operator.
a) If the SIM card is a prepaid card, make sure that the card has enough balance.
b) Check the dial-up connection, click on it's properties to verify the modem
connection.
Modem connection is OK, but immediately disconnects
a) A SIM card problem is possible. Try another SIM card.
b) If it is not a SIM card problem, it may be a network server instability. Try another
network providers SIM card.
