why does samsung s7 waste a lot of mb on mobile data without reason?

[AC Question]

Hello my phone wastes a lot of mb without reason when i turn on mobile data.I turned off almost all the apps on background data (settings-data usage-background data) but the problem still exists.I really dont know what to do

 

[anon(632115)]

You may find some helpful info here http://forums.androidcentral.com/sa...99-android-os-destroying-my-data-s7-edge.html