If your device heating up then solve this issue for ever. Follow me step by step.
IF U DON'T FOLLOW STEPS THEN GO TO STEP 5 😊
STEP 1:
Enter safe mode (power off yor devie then power on when Samsung logo comes their then volume down button press at same time with power off button then your device on and u come in safe mode)
STEP 2:
Now you can see some apps are shows greay shades then uninstall all.
STEP 3:
Check your device memory status if device space running low So u can delete some files ,aaps or vdos.
STEP 4:
Go to device care and check device status and off all extra features. And also check malware threads.
STEP 5: ALL IN ONE STEP
If u don't want to use any step or you dont have time then you STEP 5 for You.
BACKUP Your all files and data and RESET your Devive.
When Your reset is comple and your device open then listen PLEASE don't use any third party app. Only use play store or galaxy store app.
Now your device is running faster, smooth and cool.
I hope you Understand and your device running perfectly.
