If it is out of a charge, it shouldn't be frozen. It should be turned off. So if it is on, it is getting power from somewhere. You would need to wait until it is out of power and then charge and restart it.
If it is out of a charge, it shouldn't be frozen. It should be turned off. So if it is on, it is getting power from somewhere. You would need to wait until it is out of power and then charge and restart it.