Find troubleshooting steps on provided link http://www.samsung.com/in/support/skp/faq/1101689. Please let the us know what steps you have taken and if you have noticed any changes or improvements. This will help the Community to provide you steps without repeating any steps you may have already taken. Be sure to hit ♡ when you find an answer that works for you
Dear Samsung Member,
Greetings from Samsung Customer Support!
Please visit this mentioned link to resolve your device heating issue: https://www.samsung.com/in/support/mobile-devices/why-the-device-heats-up-during-use/
To resolve your device battery drain issue please visit this link: https://www.samsung.com/in/support/mobile-devices/samsung-mobile-battery-drain-issue/
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
Thank you for writing to Samsung.
Samsung Customer Support