My girlfriend is on a family plan with her her family and the contact expires March 11. When this contract expires she will be moving to her own phone plan. She was wanting to get the Thunderbolt but the phone has not been released yet. Can she start a new contract and use her current Verizon phone (LG Envy) and then when the Thunderbolt comes out get it at the discounted price ($250 or whatever it is for 2 year contract) rather than paying the full price ($600)?