137
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