Zte MF620 User Manual page 19

Problem Description
The Modem cannot
connect to the Internet in
other places
Possible Causes
3. The operating system is
infected by virus (Such as Worm.
Blaster which can take up a quantity
of upload data flow and result that it
can't receive download data flow so
that you cannot open any website.)
4. You have connected to other
APNs, which cannot connect to the
Internet.
Your USB modem
permitted to roam between provinces
(There is a small card which have no
function for roaming
provinces because of BOSS system
problems.)
Problem Solving
3. Use the professional
anti-virus software to check
and kill the virus in the
operating
completely.
4. Connect with the
mobile
company
UMTS/GPRS USB modem
is on sale.
is not Contact
network supply provider that
the SIM/USIM card is on
between sale.
system
communication
where The
with the
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