If your device is still unresponsive, force restart your device:.Let your device charge for a half hour.Remove any debris from the charging port on the bottom of your device, then firmly plug your charging cable into your device. If the charging port is damaged, your device probably needs service.Use a wall power outlet and check for firm connections between your charging cable, USB wall adapter, and wall outlet or AC power cable, or try a different outlet.Check your charging cable and USB adapter for signs of damage, like breakage or bent prongs. Don't use damaged accessories.
Follow these steps and try again after each:
