Samsung SCH U520 User Manual (ENGLISH) - Page 216

Section 13 ⅷ On Power up - The phone locks automatically the next time your phone is powered ON (The phone stays locked until you enter the lock code.) 3. Use the navigation keys to highlight the Device Lock Mode option of your choice. 4. Press the OK key to perform the function for the highlighted option. Change Lock The default lock code for your phone 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 Menu (left) soft key ( ), then press (for Settings), and (for Phone Settings), and for Security. You're prompted to enter the lock code. Note: The default lock code is the last four digits of your telephone number. 2. Press for Change Lock. You're prompted to enter the new lock code. 3. Enter the new lock code. You're prompted to re-enter the new lock code for verification. 4. Enter the new lock code again. Your changes are stored. Note: Your phone does not allow you to view the lock code for obvious security reasons. If you change the lock code, be sure to write down or memorize the new code. 216