Internet Firewall for your AndroidYou may have noticed that some background apps will be using your internet/wifi. In this post i will explain about how to block some apps/games from using internet. If you didn't have an unlimited data plan, then this post is surely for you. This can also be used to block ads in games. Given below i have listed two methods to block internet in apps. You will also get a log of apps using internet. So you can monitor which apps are continuously using internet. NOTE: Your phone must be rooted
How to block an app(s) from using internet/WiFi
There are many application available in market to block Internet. The best one is DroidWall. But in some Android phones Droidwall will not work. Because of 'iptables' error. For such android mobile you can use an alternative LBE Privacy guard. I have listed the download link of both apps. First install Droidwall. If it is not working try LBE Privacy guard.
LBE Privacy Guard