They will take your old Phone as a Trade-in. I'm not sure if it's all the time, I believe it is, or if it's only during certain times. As for Wiping your Phone that's something you should do before you take it in. They will do it if you ask, I guess. I'm sure that they do before they send it off.
I'm not sure about this question....I would call them...
Thanks! Your answer is awaiting moderation.