To cool down a hot phone, you can try the following steps:

1. Remove the phone case to allow better airflow.
2. Turn off unnecessary apps and features that y be causing the phone to overheat.
3. Place the phone in a cool, well-ventilated area.
4. Avoid using the phone while it is charging, as this can generate additional heat.
5. If the phone continues to overheat, consider restarting it or performing a factory reset.

If these steps do not resolve the issue, it y be helpful to contact the nufacturer or a professional for further assistance.