Section 9: Settings 109Message SettingsSecurityYou can set options for securing BlackBerry.• Password: allows you to enable or disable the use of thepassword. To enable the Privacy feature, you need to enable theuse of the password first.• Security timeout: allows you to set an interval for the phone toask for the password.• Privacy: allows you to enable or disable Privacy. Once it is enabled,you need to enter the password each time you access any phonefunctions.Note: If you fail to enter the correct password 10 times, you are prompted toreset the phone. After resetting the phone, the Privacy feature is disabledand Email, Calendar, and Corporate Email Address lookup are erased.• Change password: allows you to set a password or change it.Service bookService book determines which BlackBerry services are available on yourphone. In this option, you can view the list of services, such as Mail, Addresslookup, and Calendar that your device is registered for. If the Mail servicebook is displayed, then your device is ready to use the BlackBerry emailservice (you need to set up your phone along with an email account on page113). You need to consult with your system administrator at your work placeor simply connect to t-zones for setting up an Internet email account.GPRS reviewYou can check GPRS information, such as MCC, MNC, IMEI, IMSI, ICCID,BlackBerry PIN number, product name, device type, device class, and systemand stack versions.