1. ADJUST RING VOLUME: Press the Volume up button or Volume down button on the side of the device to adjust volume as desired.
   
2. ACTIVATE VIBRATE MODE: Press the Volume down button until the Vibrate mode icon appears. When Vibrate mode is active, the Vibrate mode icon will display in the Notification bar.
   
3. ACTIVATE SILENT MODE: Press the Volume down button until the Silent mode icon appears. When Silent mode is activated, the Silent mode icon will display in the Notification bar.
   
4. ACCESS ADDITIONAL VOLUME SETTINGS: Swipe down from the Notification bar, then select the Settings icon.
   
5. Select Sound.
   
6. CHANGE RINGTONE: Select Phone ringtone > desired option > OK.
   Note: For steps to assign a ringtone to a contact, please see the Contacts tutorial.
   
7. CHANGE NOTIFICATION ALERTS: Select Default notification ringtone > desired option > OK.
   Note: To block or unblock notifications from appearing when the device is locked, swipe down from the Notification bar twice > select the Settings icon > Notifications > Settings icon > On the lock screen > desired option.
   
8. TURN ON/OFF DO NOT DISTURB MODE: Do not disturb mode mutes sounds and the screen will remain off for incoming calls and alerts, but not alarms. From the Sound screen in settings, select Do not disturb > Do not disturb > desired option.
   
9. When Do not disturb mode is activated, the Do not disturb mode icon will display in the Notification bar.