Mobile Backup keeps your family’s address book safe—so you won’t have to re-enter numbers if a phone is lost or damaged, or if you upgrade to a new one.

Web Guard is an optional feature that, when activated, blocks access to certain Web sites for safer browsing.

Message blocking (text, picture, IM, and e-mail) is available free for T-Mobile customers. Learn more.

International long distance blocking is available for any line at no additional cost, to eliminate unwanted calls overseas.