Samsung SGH-X426ZSAAWS - Manual (Page 121)

Solving Problems 117
Solving Problems
If you are experiencing problems with your phone,
perform the following simple checks before contacting a
service professional. This may save you the time and
expense of an unnecessary service call.
When you switch your phone on, the following
messages may appear
Insert SIM Card
• Check 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 Personal Identification Number 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 (Menu
4.5.1).
Enter PUK
• The PIN code was entered incorrectly three times in
succession and the phone is now blocked. Enter the
PUK supplied by your service provider.