Utstar gsm738 사용자 가이드

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There are several access codes that are used by your phone and its SIM
card. These codes help you protect the phone against unauthorized
use.

The phone password can be used to avoid unauthorized use of your
phone. The password “0000” is usually supplied with the phone.
Change the password before you start using your phone. 
Keep the new password secret and in a safe place, which is separate
from the phone.

The PIN (Personal Identification Number) code protects your SIM card
against unauthorized use. The PIN code is usually supplied with the SIM
card. When the PIN code request is enabled (Menu 4-4-1), the code is
asked each time the phone is switched on.

If you key in an incorrect PIN code three times in succession, key in the
PUK code and press the         soft key. Key in a new PIN code and press
the         soft key. Key in the new code again and press the          soft
key.

This option allows you to delete all contents of the phonebook in your
phone memory or SIM card.

This option allows you to select which storage you are going to access
for the Phonebook contents. You can select Phone and SIM each or
both of them.

Phone and SIM : Phone memory + SIM memory

Phone : Phone memory

SIM : SIM memory