161. 3.5mm Headset Jack: Plug in an optional headset or TTYequipment.2. Camera Lens: Used when taking photos or recordingvideos.3. Camera Flash: Used when taking photos.4. External Speaker: Plays ringtones, call audio when inSpeakerphone mode, music and other sounds.5. USB Power/Accessory Port: Connect a USB cable forcharging or to sync music and files.NavigationNavigate through your phone’s features and menus using thecommand keys and the touch screen.Warning!: If your handset has a touch screen display, please note that atouch screen responds best to a light touch from the pad of yourfinger or a non-metallic stylus. Using excessive force or a metallicobject when pressing on the touch screen may damage thetempered glass surface and void the warranty.Command KeysMenu KeyTouch Menu to display a context-sensitive menu of optionsfor the current screen or feature.Home KeyTouch Home to display the Home screen.Touch and hold Home to launch a menu of recentapplications, or to launch Task Manager.Back KeyTouch Back to return to the previous screen, option or step.Search KeyTouch Search to launch Quick Search, to search the web andyour phone.