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16D-Link DWM-157 User Manual
Sent Message failure. 1. The SMS center number is incorrect. 1. Your device is precongured so it is unlikely that it will need
changing. However if it is missing or incorrect 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 a 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 good signal.
2. The network is busy. 2. Try later.
3. The APN in the user conguration le is incorrect. 3. Check the APN in the user conguration le in the “Connection
Settings”.
4. The device data is corrupted. 4. Local network access or the target server maybe experiencing
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 SIM/
USIM card.
Connected to the Internet,
but it cannot open any
website page.
1. After connection, you are unable to open web
pages.
1. Check that the APN in the conguration les is correct.
2. IE browser is causing problems. 2. Upgrade to the new version or reinstall the IE browser.
3. Your operating system maybe infected by a
virus. Worm Blaster for example can aect upload
and downloaded data ow, resulting in an inability
to access a website.
3. Use the professional anti-virus software to check and remove
the virus.
4. You have connected to an APN which cannot
connect to the Internet.
4. This happens when you are changing any preset operator
value in the setting section. Check the entry and enter the
correct APN from your operator.