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What to do if...
You can’t
switch your
phone on
• Battery has run out. Recharge the battery if
necessary.
SIM card
error
• SIM card is out of order. Send it to your network
operator for test.
•SIM card is not inserted
properly.
Insert SIM card correctly.
• SIM card contacts are
dirty.
Clean the SIM card
contacts using a soft, dry
cloth.
You can’t
connect to
the network
• SIM card is invalid. Contact your network
operator.
• You are away from the
service area.
Check the service area with
your network operator.
• Poor signal. Move to an open space or, if
you are in a building, move
closer to a window.
You can’t
send
messages
• Your network operator
does not support this
service.
Contact your network
operator.
You can’t
answer
incoming
calls.
•You have put certain
kind(s) of calls on the
blacklist.
Go to the menu:
Settings--
>
Security settings -->
Blacklist-->Blacklist
settings
, and turn off the
option.
•You have barred
incoming calls.
Go to the menu:
Settings--
> Security settings -->
Handset call barring -->
Bar incoming, and turn
the option off.
•You have asked the
operator to bar certain
types of incoming calls.
Go to the menu:
Settings--
>
Security settings -->
Network call barring, and
select
Clear all.
Problem Possible cause Solution