Samsung SGH-C400, User Manual

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68
Solve problems
Help and personal needs
To save the time and expense of an
unnecessary service call, perform the simple
checks in this section before contacting a
service professional.
When you switch on your phone, the
following messages may appear:
“Insert SIM card”
• Be sure that the SIM card is correctly
installed.
“Phone locked Enter password”
• The automatic locking function has been
enabled. You must enter the phone’s
password before you can use the phone.
“Enter PIN”
• You are using your phone for the first time.
You must enter the PIN supplied with the
SIM card.
• The PIN Check feature is enabled. Every
time the phone is switched on, the PIN has
to be entered. To disable this feature, use
the PIN check menu.
“Enter PUK”
• The PIN code has been entered incorrectly
three times, and the SIM card is now
blocked. Enter the PUK supplied by your
service provider.
“No service,” “Network failure,” or “Not
done” displays
• The network connection has been lost. You
may be in a weak signal area. Move and try
again.
C406.book Page 68 Wednesday, August 23, 2006 10:16 AM