I had the same problem...Now the phone is sitting on my dresser and I had to get another phone due to me being on V. I think I hit a button on the misc screen under viper tweaks and it seemed my phone is stuck on GSM.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer? | Terms of Service