Zte MF636, Руководство пользователя

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55
Problem
Description Possible Causes Problem Solving
3. The SMS center
number isn
’
t
correct.
3. Consult your
service provider for
the correct number.
Then configure the
right number in
Message settings.
2. The network is
busy and other
reasons.
2. Try later. Message sent
failed.
1. You are in
the place where no
GSM/GPRS/EDGE/
UMTS/HSDPA/HS
UPA network
covered
，
such as
underground
parking lot, tunnel
etc.
1. Change to the
place where there
is good signal.
2. The network at
this time in this
place is busy now.
2. Try later. Date connection
failed.
3. The APN in the
configuration files is
error.
3. Check the APN
in the configuration
file in the
“
Connection
settings
”
.