Samsung SGH-D606 - Manual (Page 145)

Settings
139
Phone lock
When the Phone Lock feature is enabled, the phone is locked and you
must enter an 8-digit phone password each time the phone is
switched on.
The password is preset to “00000000” at the factory. To change the
phone password, see the Change Password menu (Menu 9.7.4)
below.
Once the correct password has been entered, you can use the phone
until you switch it off.
The following options are available:
♦
Disable: you are not asked to enter the phone password when you
switch the phone on.
♦
Enable: you are required to enter the phone password when you
switch the phone on.
Change password
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.
Privacy
Using this menu, your phone’s menus become password-protected,
although you can make calls normally. Contacts, downloaded content
and stored messages are all protected. Once you have enabled
privacy, you must enter the phone password to access the menus.
When the phone asks for the phone password, enter the password
and press the OK soft key.
The following options are available: