Sony Ericsson R380 WORLD User Guide - Page 76

Personal Identification Number (PIN) The Personal Identification Number (PIN) is used authenticate the user of your R380. The PIN is usually requested when you turn on your R380. To change your PIN, see "Locks" on page 90 for more information. Tip! You should be careful with your PIN since it is your protection against unauthorized use. To unblock the SIM card: 1. Enter the unblocking key, usually eight to sixteen digits, and press . Note: The digits are not displayed and are shown as asterisks (*) for security protection. A maximum of three attempts are usually allowed. Contact your network operator if unsuccessful. Emergency calls are still available in this state. 2. If the unblocking key is accepted, a new PIN entry display is shown. Enter your PIN and then press . Unblocking PUK Code After three unsuccessful PIN entry attempts, the SIM card becomes blocked. The SIM card can only be unblocked by entering a Personal Unblocking Key (PUK), which is provided in your network operator subscription information. Warning! After 10 unsuccessful attempts of entering the PUK, the SIM will not be usable. Contact your network operator if this happens. PIN 2 Some operators may have services that require a second PIN, your PIN2. See the information you received from your operator to see if you have a PIN2. 76 Security