Zte HSDPA - FAQ & Answers; Troubleshooting: No Signal; Troubleshooting: Data Connection Failed

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4 FAQ & Answers
When you meet a problem in service, please refer to the following answers
to help solve it. If the problems still exist, please contact with your supplier.
Problem
Description
Possible Causes
Problem Solving
After restarting
the computer,
there is no
signal.
1. The position of the USB
modem is causing poor
signal reception
1．Adjust the angle and
position of the USB
modem.
2．You are in a place of no
or very low GSM/ GPRS/
EDGE/ WCDMA/ HSDPA
network coverage. ,This
includes underground
facilities, tunnels, etc.
2. Change location,
moving to an area with
good signal strength.
Data
connection
failed.
1. You are in a place where
no GSM/ GPRS / EDGE/
WCDMA/ HSDPA network
coverage，
1. Change to a location
with good signal as
above.
2. The network in your
location is currently very
busy.
2. Try later, or move
location to a less busy
network service area.
3. The APN in the user
configuration file is error.
3. Check the APN in the
user configuration file in
the “Internet--Edit
Configure” menu.
4. Modem data is corrupted.
4. There is a possible
network problem. Please
contact with your
network operator
5. Network type selected
manually is incorrect.
5. Select the correct
network type according
to the type of the
SIM/USIM card.