Samsung SGH-A997 User Manual Ver.lk8_f6 (English(north America)) - Page 133

Security The Security feature enables you to restrict the use of your phone by the others and to restrict the types of calls. Various codes and passwords are used to protect the features of your phone. The following options are available. Lock Phone The Lock Phone feature helps to protect your phone against unauthorized use. When the Lock Phone feature is enabled, the phone is locked and you must enter the 4- to 8-digit phone password each time the phone is powered on. Note: You will be prompted to create a password the first time this feature is enabled. To change the phone password, see "Change Phone Password" on page 130. Once you enter the correct password, you can use the phone until you switch it off. The following options are available: - On: You are required to enter the phone password when you switch on the phone. - Off: You are not asked to enter the phone password when you switch on the phone. Lock SIM Card When the Lock SIM Card feature is enabled, your phone only works with the current SIM. You must enter the lock code to unlock the SIM so you can use a different SIM card. Once you enter the lock code, you are asked to confirm your password. Reenter your password and press Confirm. Note: This lock code is typically the last four digits of the current phone number or can be obtained from an AT&T customer service representative. Check PIN Code • When the Check PIN Code feature is enabled, you must enter your PIN (Personal Identification Number) each time you switch on the phone. Consequently, any person who does not have your PIN cannot use your phone without your approval. The PIN is usually supplied with the SIM card. The following options are available: - On: You must enter the PIN each time the phone is switched on. - Off: The phone connects directly to the network when you switch it on. Changing Your Settings 128