I want to upgrade my ZTE Zmax pro for a iPhone 7 plus. Can I do that and have to pay or will it be free?
Hi Ayanah. Which carrier do you plan to do it? Trade-ins usually give lower appraisal value. I suggest selling it by yourself then get an iPhone 7 Plus. Or you might want to wait for the new Apple iPhone, I'm sure older iPhone prices will reduce.
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