A:Answerbestbuy can handle all those questions in store. Pretty easy. you will need to pay for the activation of the new phone, as well as adding a new line onto the plan
A:AnswerYour bill would be cheaper and if your phone is paid off and your trying to upgrade you can use that phone and use it toward another phone how much they give you depends on the condition of the phone but if your trying to keep that phone and just add another line it shouldn’t be and issue it all depends on the plan you have and your service provider
