Samsung SCH-A790 Series User Manual page 148

If you enabled PIN Check, the next time you reset your
phone (power-down, then power-up), you'll be prompted for
the PIN1 code. If you do not have the PIN1 code, you can
only place emergency calls.
C PIN
HANGE
Use the Change PIN sub menu to change the 4-8 digit PIN
code assigned to your SIM card by Verizon Wireless.
In standby mode, press the left soft key (
1.
then press
prompted to enter the Lock Code. The Lock Code is by
default the last four digits of your telephone number.
Enter the Lock Code. Several Security sub menus
2.
appear in the display.
Use the navigation key to highlight
3.
press
Enter the current PIN code, then press
4.
prompted to enter a new PIN code.
Enter the new PIN code, then press
5.
to enter the new PIN code again for confirmation.
Enter the new PIN code, then press
6.
to the Security sub menu.
140
(
Settings
. Your prompted to enter your current PIN code.
), (
Security
Change PIN
. You're prompted
. You're returned
) ,
Menu
). You're
, then
. You're