M O V I N G A R O U N D O N Y O U R P A L M ® T R E O ™ 6 8 0 S M A R T P H O N EO P E N I N G A P P L I C A T I O N S 412C H A P T E ROpening applicationsWhen you open an application using aquick button or Applications View, youautomatically close the app you werepreviously using.Using the quick buttonsThe front of the smartphone has threequick buttons—Phone, Calendar, andMessaging—that open applications. Thefourth button opens Applications View (seeUsing Applications View).TIP You can customize the quick buttonsyourself; see Reassigning buttons for details.PhoneCalendar MessagingApplications