Zte MF620, Руководство пользователя

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19
Problem Description Possible Causes Problem Solving
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.)
3. Use the professional
anti-virus software to check
and kill the virus in the
operating system
completely.
4. You have connected to other
APNs, which cannot connect to the
Internet.
4. Connect with the
mobile communication
company where The
UMTS/GPRS USB modem
is on sale.
The Modem cannot
connect to the Internet in
other places
Your USB modem is not
permitted to roam between provinces
(There is a small card which have no
function for roaming between
provinces because of BOSS system
problems.)
Contact with the
network supply provider that
the SIM/USIM card is on
sale.