Samsung SGH-E105CSATMB - Manual (Page 91)

Phone Settings
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must enter the current PIN before you can specify a new
one.
Once you have entered a new PIN, you are asked to confirm
it by entering it again.
Phone Lock
When the Phone Lock feature is enabled, the phone is locked
and you must enter the 8-digit phone password each time
the phone is switched on.
The password is factory set to “00000000”. To change the
phone password, refer to the Change Password menu
option.
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 factory set to “00000000”. Once you have
entered a new password, you are asked to confirm it by
entering it again.
FDN Mode
The FDN (Fixed Dial Number) mode, if supported by your
SIM card, allows you to restrict your outgoing calls to a
limited set of phone numbers.
The following options are available.