Zte MF190 User Manual page 30

Problem Description
When the device is being
installed, the computer cannot
find it.
Sent message failure.
Data connection failed.
Possible Causes
1. The installation programs of
the MODEM device have not
been installed properly.
2. The device is not connected
properly.
3. The SIM card is not inserted
properly.
1. The SMS center number
is incorrect.
1. You are in a place where
there is no GSM/GPRS/EDGE/
WCDMA/ HSPA(HSUPA)
network coverage.
2. The network is busy.
3. The APN in the user
configuration file is incorrect.
4. The device data is
corrupted.
5. The network type has been
selected manually, but is
incorrect.
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Problem Solving
1. Run the installation program
first then connect the device.
Now install the drivers as normal
in Windows.
2. Restart the computer, or
reconnect the device.
3. Remove and reinsert the SIM
card correctly.
1. Your device is preconfigured
so it is unlikely that it will need
changing. However if it is
missing or incorrect contact your
operator.
1. Move to an area with a better
coverage.
2. Try later..
3. Check the APN in the user
configuration file in the "Network
settings".
4. Local network access
or the target server maybe
experiencing problems. Retry
data request.
5. Reselect the network type
according to the type of the SIM
card.