69
answer incoming
calls.
the call barring feature.
General
call
settings > MASTER
SIM card /SLAVE
SIM
card
call
settings
>
Call
Barring/Line
Switching,
and
then select Cancel
All/Line1.
Fail to connect to
the network.
1.Weak signals.
2
．
Invalid UIM card.
1.Please try and
move to a location
with strong signal
and try connecting
to
the
network
again
2.Please
ensure
that you have a
valid UIM card.
Please contact your
network
provider
for
further
information.
Poor reception.
1.The network signal is
too
weak
at
your
current location, for
example, in a basement
or near a tall building,
because
wireless
transmissions cannot
effectively reach it.
2.The network is busy.
1
．
Move to a
location where the
network signal can
be
properly
received.
2.Avoid using the
phone at such time,
and try again after