ZTE Blade 3 - Manual (Page 161)

161
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
Settings, and then
select
Deactive All.
You cannot
make
outgoing
calls.
You have activated the Call
barring feature.
Go to Settings >
Call > Call Barring
Settings, and then
select
Deactive All.