Thanks foe the response! I have another issue....now it is saying original backup is corrupt...any advice on this one?

I just received the T-1000 for my 2016 zo6 automatic. It only came with the 91 octane tune??? How do I access the 93 octane tune?? I have tried downloading the updates for tunes on your website and it does not work no matter what I do. I followed all the directions and steps perfectly right out of ...