Samsung SGH-x427 User Manual page 102

Phone Settings
Change Password
(Menu 4.5.4)
The Change Password feature allows you to change your
current phone password to a new one. You must enter the
current password before you can specify a new one.
The password is preset to "00000000" at the factory. Once
you have entered a new password, you are asked to
confirm it by entering it again.
SIM Lock
(Menu 4.5.5)
When the SIM Lock feature is enabled, your phone only
works with the current SIM. You must enter the SIM lock
code to use a different SIM card.
Once you have entered the lock code, you are asked to
confirm it by entering it again.
To unlock the SIM, you must enter the SIM lock code.
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