Now days that we are using WhatsApp as the best free way to communicate easily with other ..it's good but it has got a very bad side of it now..Because if you have lately observed that whenever you view your friend's status it will be secretly downlo...
Also they must apply a blue screen filter it somehow controls the light of the phone . Which then helps the battery to stay longer. Disable Chrome browser..
Hmmm that's interesting.. if you have restrictions on your background data it's good to monitor your data plan and on the other side your phone can't exchange information without you knowing which is good as well..But for over heating there is an App...