Motorola C156 User Manual
Page 98
98 - Troubleshooting
The Display
says
Insert SIM
card or Check SIM
Card
even
though I have
inserted my
SIM card in the
phone.
The SIM card may be incorrectly
inserted. Check the SIM card to
make sure that it is inserted
properly.
The display
says
SIM Blocked
.
How do I
unblock my
SIM card?
Call your service provider to
obtain the PIN unblocking code.
The display
says
Enter Unlock
code
. How do I
unlock my
phone?
Enter the default unlock code,
0000 or the last 4 digits of your
phone number. If you changed the
default unlock code in your phone,
please enter the unlock code that
you defined to unlock it.
My phone asks
for an unlock
code when I
try to open a
feature.
The application you want is
locked. If you own the phone but
do not know the unlock code, see
“Changing Your Unlock Code” on
page 85.
Problem
Solution
CFJN1105A_v1.book Page 98 Monday, October 4, 2004 12:14 PM