Samsung SGH-i400 User Manual page 124

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Security
The Security settings allow you to protect your phone and
USIM/SIM card from unauthorised use. Following options are
available:
Phone and SIM card
• PIN code request: When this setting is activated, the PIN
code is requested each time the phone is switched on.
• PIN code: The 4- to 8-digit PIN (Personal Identification
Number) code protects your USIM/SIM card against
unauthorised use. The PIN code is usually supplied with the
USIM/SIM card. After 3 consecutive incorrect PIN code
entries, the PIN code is blocked. If the PIN code is blocked,
you need to unblock the PIN code by entering the PUK (PIN
Unblocking Key) code.
• PIN2 code: The 4- to 8-digit PIN2 code, supplied with
some USIM/SIM cards, is required to access some
functions, such as call cost counters.
• Phone autolock peri...: You can set an autolock period, a
time-out after which the phone is automatically locked and
can be used only if the correct lock code is entered.
Note: When the phone is locked, you may be able to call the
emergency number programmed in your phone (e.g.,
112 or other official emergency numbers).
To unlock the phone, in Standby mode, press the Unlock
soft key, enter the lock code, and press the OK soft key.
• Lock code: You can change the lock code used to lock the
phone and keypad to avoid unauthorised use.
Note: The factory setting for the lock code is 00000000. To
avoid unauthorised use of your phone, change the lock
code.
Settings
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