When we play games/watch videos/use Facebook on our phones, our phones tend to heat up within a few moments.
Using other software while downloading content/videos online is a cause of phone heating. For example, using Facebook while downloading large files/videos from a large file site will heat up the phone. That’s why it’s best to do nothing else when you’re downloading something online.
Using the Internet/playing games/calling/watching videos while charging the phone. Doing so is a big reason for the phone to heat up. It also affects the phone’s battery system. It can quickly damage the performance of the phone. So don’t do anything while the phone is charging. The phone cover attached to your phone. In fact, some phone covers can heat up the phone body. So, if the phone body gets warmer than usual while using the phone, check if the phone cover you put on your phone is the kind of cover that heats up the phone.