How to restrict app background data for some specified apps on cellular networks?

                    Now a days most of the people don't want to run some applications even cellular network available. For those people this tip is very useful to restrict app background data on cellular networks. Follow the below simple steps to disable app background data.

Step 1:

--> Go to Settings 

Step 2:

--> Go to Settings -> Wireless & networks

Step 3:

--> Go to Settings -> Wireless & networks --> Data usage

Step 4:

Now go to the App usage section, you can see the list of apps running in your mobile.

Step 5:

Select any one application to restrict app background data. Here I was selected WhatsApp to disable the app background data.

Step 6:

Now click on the Toggle button to disable background data on cellular networks. after click on the toggle button it will show one dialog saying that

This feature may cause an app that depends on background data to stop working when only cellular networks are available

Now click on OK to disable the app background data on cellular networks.