Cingular 2125 User Manual page 54

4.5 Protecting your Phone
There are several levels of security on your phone. You
can protect your phone from unauthorized use by requiring
a type of password called a PIN (personal identification
number) in order to make calls. Your first PIN will be given to
you by your wireless service provider. Additionally, you can
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lock the keypad or the entire phone to prevent unauthorized
access.
To enable the SIM personal Identification number (PIN)
1.
2.
3.
To cancel without enabling the SIM PIN, press HOME.
To disable the SIM PIN
1.
2.
3.
To change the SIM PIN
Be sure to make a note of your personal identification
number (PIN). When the SIM PIN is enabled, you must
provide this PIN to unlock the phone.
1.
2.
3.
4.
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On the Home screen, click Start > Settings >
Security.
Click Enable SIM PIN.
Enter your PIN, and click Done.
On the Home screen, click Start > Settings >
Security.
Click Disable SIM PIN.
Enter your PIN, and click Done.
Click Start > Settings > Security.
Click Change SIM PIN.
In Old PIN, enter the current PIN.
Enter and confirm the new PIN, and click Done.