2 stars: Firmware updates are making the mini pro not so fun anymore - I hate the latest firmware!! I hate the fact that the top speed decreases out of no where, there is already a speed limit option on the ninebot why add another one. it leans back way too often and too far back the moment you go over the speed limit its really dangerous ninebot. In the push assist mode it's leans back now and that makes it hard to steer with your hand. The app gives a warning the moment i go a millimeter over...