CHANGE NOTIFICATION ALERTS: From the Sound screen, select Advanced > Default notification sound > desired option > OK.
Note: To block or unblock notifications from appearing when the device is locked, swipe down from the Notification bar > select the Settings icon > Apps & notifications > Notifications > On the lock screen > desired option.
TURN ON/OFF DO NOT DISTURB MODE: Swipe down from the Notification bar with two fingers then swipe left. Select Do not disturb.|
Note: Do not disturb mode mutes sounds and the screen will remain off for incoming calls and alerts, but not alarms.
When Do not disturb mode is active, the Do not disturb icon will be displayed in the Notification bar.