Mate40 Porsche vibration motor is broken. What happened?

The carbon brush of the starter is badly worn. According to the inquiry of Porsche sales information, mate40 Porsche vibration motor failed well because the carbon brush of starter was badly worn, so you can go to 4s shop to replace the vibration motor. Porsche, also known as Porsche, is a luxury car brand owned by Audi AG of Germany. Headquartered in Stuttgart, Germany, Porsche is the main representative of European and American cars.