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