Heating issue

The first week the device is hot and the battery is not satisfactory. After a week, the device recognizes your use and the heat goes away and you get the best battery that lasts for a day and a half.

1- Using 5g

2- video call 

3- Record a 4k video 

4- play intensive 

There are many reasons behind overheating issues 

Try to download Thermal Guardian module, it has a chart with red dots, if you tap on it, it will give the reason behind overheating issue 

https://www.apkmirror.com/apk/samsung-electronics-co-ltd/samsung-thermal-guardian/samsung-thermal-guardian-5-1-02-release/