Samsung SGH-X496ZSAGEN User Manual
Page 172
 
Sect
ion 4
172
PIN
The Personal Identification Number (PIN) is 4 to 8 
digits long and protects your SIM card against 
unauthorized use. It is usually supplied with the SIM 
card. 
Note: If you enter the PIN incorrectly three times in a row, the PIN is 
disabled and cannot be used until you re-enable it by obtaining the PIN 
Unblocking Key (PUK) from Customer Service/Support and entering it. See 
below. 
•
To activate/deactivate the PIN Check feature, see “PIN Check”
•
To change the PIN, see “Change PIN” on page 160.
PUK
The 8-digit PIN Unblocking Key (PUK) is required to 
change a disabled PIN. The PUK may be supplied with 
the SIM card. If not, contact your Wireless Provider. 
To re-enable your PIN, do the following:
1. At the Enter PUK prompt, enter the PUK using the
keypad, then press the OK (left) soft key (
) or the
key.
Note: If you enter the PUK incorrectly ten times in succession, the SIM card 
becomes invalid. Contact your Wireless Provider for a new SIM card. 
2. Enter a PIN of your choice and press the OK (left) soft key
(
) or the
key.
The “Confirm New PIN” message appears in the display, 
prompting you to enter the new PIN a second time.