If you are worried that your mobile phone will burn out, you can download the thermometer from App Bao.
Monitor the temperature of mobile phone at any time.
Help to get CPU temperature (not battery temperature)
You can get CPU usage and frequency, battery power.
You can also monitor the change of CPU temperature usage frequency within 5 minutes.
There are quite a lot of this kind of software, and it is convenient to download.
I hope it helps you.