34 Confidential and Proprietary Information of ZTE CORPORATION
Problem Description
Possible Causes
Problem Solving
2. The (U)SIM card isn't inserted
properly.
2. Remove and reinsert the
(U)SIM card correctly.
3. The MODEM device is positioned in
such a way as that adversely affects the
devices signal reception.
3. Adjust the angle / position
of the MODEM device or its
proximity to other electronic
devices.
Sent Message failure.
1. The SMS center number is incorrect. 1. Your device is
preconfigured so it is
unlikely that it will need
changing. However if it is
missing or incorrect, please
contact your operator.
2. The network is busy or you are in an
area with no signal.
2. Try later or move to an
area with stronger signal.
Data connection failed. 1. You are in the place where there is
no GSM/ GPRS/ EDGE/ WCDMA/
HSDPA(HSUPA) network coverage.
1. Move to an area with
stronger signal.
2. The network is busy.
2. Try later.
3. The APN in the user configuration
file is incorrect.
3. Check the APN settings,
and refer to the chapter:
Set
APN parameters
.
4. The device data is corrupted.
4. Local network access or
the target server maybe
experience problems. Retry
data request.
5. The network type has been selected
manually, but is incorrect.
5. Reselect the network type
according to the type of the
(U)SIM card.
