In our time it is almost impossible, I saw the video on Youtube, though it was deleted later. The video shows how the developers on the iPhone 7plus launched the process in their own bitcoin extraction application, the recording was continuous but accelerated, so the smartphone after 20 hours of continuous operation, just turned off and did not turn on anymore

it is clear that something inside the burned
Seriously? For now I am more than sure that it is impossible. However, who knows, maybe some altcoin that can be mined from smartphone or Apple phone will really appear. In this case I will be very glad to earn additionally.