Between weekly perks ranging from delicious free food to discounted movie tickets, clothing items, and sweepstakes for special Halloween celebration kits and killer deals on both hot new and slightly older phones for both existing and new customers, there are definitely plenty of reasons to love T-Mobile already.

But believe it or not, the "Un-carrier" manages to regularly come up with even more ways to reward the loyalty of its long-time subscribers. We're talking serious discounts offered to those who have yet to make the jump from a Simple Choice plan to one of T-Mo's modern ...