Ok I promise I searched and I couldn't find someone with the same issues I'm having. I upgraded to the 3.0GM when it was released, and I only just thought about doing the IPCC mod to get tethering on my phone. I followed the instructions, got it installed, and my macbook didn't see anything. Suddenly my iPhone does a reboot. Once it was back up, the carrier settings menu was still there but the tethering menu was gone. I did the carrier settings update again in itunes, and it's back, but I cannot get it to connect to my macbook at all. I would appreciate the help if possible!