IF IT IS NOT IN USE AND HEATING THEN THERE MIGHT BE SOME THIRD PARTY APP RUNNING IN THE BACKGROUND CAUSING HEAT EFFECT. OPTIMIZE IT AND THEN SEE.
THE BST WAY TO CHECK IT RESTART UR DEVICE AND WHEN SAMSUNG LOGO APPEARS ON SCREEN PRESS VOLUME DOWN KEY RAPIDLY. BY DOING THIS UR DEVICE WILL BE IN SAFE MODE. THERE U CAN SEE THE THIRD PARTY APPS CAUSING PROBLEMS. TO EXIT THE SAFE MODE RESTART THE DEVICE.
We apologize for the heating issue in the device. We would recommend you to follow some troubleshooting steps in order to further isolate what you may be experiencing in your device. Find the troubleshooting steps on the provided link http://www.samsung.com/in/support/skp/faq/1119803. Please let us know what steps you have taken and if you have noticed any changes or improvements as this will help the Community to provide you further troubleshooting steps without repeating any procedure which you may have already followed. Be sure to hit ♡ when you find an answer that works for you.
For Further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
