after the recent update j7 max is getting some what warm when normal usage and when while playing games but not high end games it gets very hot this issue wasn't there before the last update.so please provide update to solve this problem.
my phn also have same problem because of running background apps go to>settings>developer options>running services in that u can stop all un wanted apps u dont use u have to do this every time u left the phn then u can see better battery backup