6 Be Mindful of Temperature
It’s not just sunlight that can heat up your phone — certain apps or processes, charging equipment or the environment can contribute too. This is especially true while charging, though we’ll cover some best practices in a different slide.
For example, using higher-powered chargers can heat up your iPhone faster than less powerful ones. If you notice your iPhone getting too hot, stop using or charging it and give it a chance to cool off.