144
Problem
Possible causes
Possible solution
Unable to
connect to
the network
(U)SIM card invalid.
Contact your service
provider.
You are not within the
network’s service area.
Check the service area
with your service
provider.
Poor signal.
Move to an open
space, or if you are
inside a building, move
closer to a window.
Cannot
answer
incoming
calls
You have activated the
Call barring
feature.
Go to
Settings >
Call > Call barring
,
and then select
Cancel all call
barring
.
You cannot
make
outgoing
calls.
You have activated the
Call barring
feature.
Go to
Settings >
Call > Call barring
,
and then select
Cancel all call
barring
.
You have activated the
Fixed dial numbers
Go to
Settings >
Security > Fixed dial