Notifications report the arrival of new messages, calendar events, and alarms, as well as ongoing events, such as when you've configured your phone as a Wi-Fi hotspot.
When you receive a notification, its icon appears in the top left corner of the screen. Depending on your Sound settings, you may also hear a sound.
- See your notifications: Swipe your finger down from the top of the screen.
- Respond to a notification: Touch it.
- Dismiss a notification: Swipe it sideways.
- Dismiss all notifications: Touch the X in the top right corner.
Tip: When the list of notifications is open, you can also get to Settings by touching the Quick Settings icon 
at the top of the list. This provides a quick way to get to Settings from any screen.
at the top of the list. This provides a quick way to get to Settings from any screen.Most apps that send notifications, such as Gmail and Google Talk, have notification settings that you can adjust.
Related settings
To modify the sounds for your phone's notifications, touch the Settings icon 
> Device > Sound.