My Blackberry Tour has the Verizon Wireless Vodafone Card in it. Does this open the possibility to changing phones just as simple as T-Mobile or something? Like my friend has a Verizon Wireless Flip Phone that has the same size port. Can I put this card in the phone and still have my service? Basically I'm asking if I can switch phones quickly like Tmobile. Without having to call in or go online.