I have a 650 on the VZ network and my phone reboots all the time if I try to use it with the BT in my BMW X5. The sprint phone is know to work fine. I'm wondering if I can fix this by using the Sprint ROM code. Since my phone is already registered on the VZ net I'm thinking it should just work. Any help would be appreciated. I don't use the VZ sync or any other VZ specific services.