Zte Blade A3 Prime User Manual page 129

Problem
nano-SIM
card error
Unable to
connect to
the network
Cannot
answer
incoming
calls
Possible Causes
The nano-SIM card has
malfunctioned or is
damaged.
The nano-SIM card is
inserted improperly.
Debris is 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
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. Open
the Phone app and touch
> Settings > Blocked
numbers. Touch
UNBLOCK next to the
number you want to
unblock.
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