157
Problem
Possible causes
Possible solution
Cannot turn
your phone
on
Battery power has been
depleted.
Recharge the phone’s
battery.
nano-SIM
card error
The nano-SIM card
malfunctions 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.
There is debris 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.
The signal is poor.
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.
Disable this feature. See
Bar Certain Calls
on
page 83.