ZTE MF591 User Manual
20 Confidential and Proprietary Information of ZTE CORPORATION
Problem Description
Possible Causes
Problem Solving
3. The APN in the user configuration
file is incorrect.
3. Check the APN in the user
configuration file in the “Network
settings”.
4. The modem 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 (U)SIM
card.
Connected to the Internet, but you
cannot open any website page.
1. After connection, you are unable
to open web pages.
1. Check that the APN in the
configuration files 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 affect upload and
downloaded data flow, 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.
