Device and SIM card securityTo change the PIN code, select Phone and SIM card > PINcode. The new code must be 4 to 8 digits long. The PIN codeprotects your SIM card against unauthorised use and isprovided with the SIM card. After three consecutive incorrectPIN code entries, the code is blocked, and you need to use thePUK code to unblock it before you can use the SIM card again.To set the keypad to lock automatically after a defined period,select Phone and SIM card > Keypad autolock period.To set a time-out after which the device is automaticallylocked and can be used only if the correct lock code is entered,select Phone and SIM card > Phone autolock period. Entera number for the time-out in minutes, or select None to setoff the autolock period. When the device is locked, you canstill answer incoming calls, and calls may still be possible tothe official emergency number programmed into yourdevice.To set a new lock code, select Phone and SIM card > Lockcode. The preset lock code is 12345. Enter the current codeand then the new code twice. The new code can be 4-255characters long. Both alphabets and digits can be used, andboth uppercase and lowercase alphabets are possible. Thedevice notifies you if the lock code is not properly formatted.Restore original settingsTo restore the original device settings, select Factorysettings. To do this, you need your device lock code. Afterresetting, the device may take a longer time to power on.Documents, contact information, calendar entries, and filesare unaffected.Telephone settingsSelect Menu > Tools > Settings > Phone.Select from the following:• Call — Define general call settings.• Call divert — Define your call divert settings. See "Calldivert", p. 36.• Call barring — Define your call barring settings. See "Callbarring", p. 37.• Network — Adjust the network settings.Call settingsTo display your phone number to the person you are calling,select Call > Send my caller ID > Yes. To let the networkdetermine whether your caller ID is sent, select Set bynetwork.To display your net call address to the person you are callingusing a net call, select Call > Send my internet call ID >Yes.To be notified of a new incoming call while you have a call inprogress, select Call > Call waiting > Options >Activate. To check if the function is active on the network,select Options > Check status.To select whether net calls alert or not, select Call > Internetcall alert. You are notified of missed net calls with anotification.© 2010 Nokia. All rights reserved.114