Samsung SGH-E105CSATMB - Manual (Page 114)

Solving Problems
111
Solving Problems
Before contacting the after-sales service, perform the
following simple checks. They 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 option requiring that the PIN be entered each time the
phone is switched on was enabled. You must enter your
PIN and then disable this option if so required.
Enter PUK
●
The PIN code was entered incorrectly three times in
succession and the phone is now blocked. Enter the PUK
supplied by your network operator.
“No service,” “Network failure” or “Not done” is
displayed
●
The network connection was lost. You may be in a weak
signal area (in a tunnel or surrounded by buildings). Move
and try again.