Samsung SCH a670 User Guide

calls, but you must unlock the phone to place calls (except to 
emergency and secret numbers).

1. In standby mode, press the left soft key (

) 

, then 

press , 

 for 

. You’re prompted to enter the 

lock code. The default lock code is the last four digits of 
your telephone number.

2. Enter the lock code, then press 

 for 

. The 

options listed in the following table appear in the display.

3. Use the navigation key to highlight the Lock Phone option 

of your choice. 

4. Press 

 to perform the function for the 

highlighted option.

If you change the NAM1 setting after setting the 

phone to lock upon power-up and did not program a number 
into NAM2, you won’t be able to access your phone. You 
must call the Service Center to unlock your phone.

The default lock code is generally the last four digits of your 
phone number. It is advisable to change the default lock code 
to a secret code for security purposes.

1. In standby mode, press the left soft key (

) 

, then 

press , 

 for 

. You’re prompted to enter the 

lock code.

The phone remains unlocked.

The phone locks automatically the next time 
your phone is powered on and stays locked until 
you enter the lock code.

The phone locks immediately and stays locked 
until you enter the lock code.

VerizonA670.book  Page 102  Wednesday, March 31, 2004  10:51 AM