Samsung SGH-D415MSATMB - Manual (Page 154)

Solving Problems
151
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 (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 (Menu 8.6.1).
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.