Apple may reduce the performance of the 3nm A17 Pro processor due to massive overheating of the iPhone 15 Pro::The problem of overheating of iPhone 15 Pro and Pro Max smartphones is becoming widespread. It is possible that Apple will be forced to take the unpopular step of reducing the performance of the latest 3nm A17 Pro chip.
This is some company's page, but they have a pretty good demonstration of one common method
https://www.customchill.com/solid-state-cooling-systems/#:~:text=Solid state cooling systems have,of cooling or heating devices.