129
Problem Possible Causes Possible Solution
nano-SIM
card error
The nano-SIM card has
malfunctioned or is
damaged.
Take the nano-SIM card to
your service provider for
testing.
The nano-SIM card is
inserted improperly.
Insert the nano-SIM card
properly.
Debris is on the nano-SIM
card contacts.
Use a soft, dry cloth to
clean the nano-SIM card
contacts.
Unable to
connect to
the network
The nano-SIM card is
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 blocking feature.
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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