i am not a happy camper i have purchased a tai remote and docking base didn't even use it once went to use it and worked fine decided to add my iPhone to t and had to update the firmware then ..... nothing absolutely nothing i have read around and it seems lots of people are having this issue and i think this is a huge fault with this product ... a lot of money spent on a traxxas product ... so i ring traxxas to see what can be done (btw I'm in Aus) and they say to bad you may as well buy a new one .... my item is brand new still in warranty and traxxas say to bad ...... NOT HAPPY TRAXXAS !!!