Samsung GH68-00422A - Manual (Page 98)

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S e c u r i t y
Change Password
Menu 8-4
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 factory set to 0000. Once you have
entered a new password, you are asked to confirm it
by entering it again.
SIM Lock
Menu 8-5
When the SIM Lock feature is enabled, your phone
only works with the current SIM. You must enter the
SIM lock code.
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.