Zte Visible R2 User Manual page 155

Problem
Cannot turn
your phone
on
nano-SIM
card error
Unable to
connect to
the network
Cannot
answer
incoming
calls
Possible Causes
Battery power has been
depleted.
The nano-SIM card has
malfunctioned or is
damaged.
The nano-SIM card is
inserted improperly.
There is debris on the
nano-SIM card contacts.
The nano-SIM card is
invalid.
You are not within the
network's service area.
Poor signal.
You have activated the
Call blocking feature.
Possible Solution
Recharge the phone's
battery.
Take the nano-SIM card
to your service provider
for testing.
Insert the nano-SIM
card properly.
Use a soft, dry cloth to
clean the nano-SIM card
contacts.
Contact your service
provider.
Check the service area
with your service
provider.
Move to an open space,
or if you are inside a
building, move closer to
a window.
Disable this feature. See
Block Certain
155
Numbers.