Samsung SGH-E316 User Manual page 117

Phone settings
Privacy
Using this menu, you can lock your contents, such
as multimedia messages, photos, video clips, voice
memos, images and sounds. Once you have locked
the contents, you must enter the phone password
to access the associated menus.
To
select an item to lock
place a check mark
remove a check mark
lock the marked items OK soft key.
When the phone asks for the phone password,
enter the password and press the OK soft key.
Note: The password is preset to "00000000" at the
factory. To change this password, see
page 115.
SIM lock
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.
116
(Menu 6.5.5)
(Menu 6.5.6)
Press the
Up or Down key. To lock
all of your contents,
select All.
Mark soft key.
Unmark soft key.