How to set my notifications off/on?

Notifications is a funtion of Smart phones which work as when someone send a message to your phone this system notifi you that He/She message something. 

When you download some app you must notice that in your Phone's top some icon is started showing that's called notification. 

To set your notification

1. Go to your phone setting.

 

2. Search or click notification 

3. On bottom you see icons to turn off/on your notification. 

It is good  that  you get notifi but it use your internet as well. So adjust notification as per your need.