Jump/trade in

magenta8800542

    okay please help me. I went into T-Mobile today and was told I would have to pay $400 if I did jump and upgraded my phone. I owe $250 left on my phone. So I asked about trade in and was told it would just cost 300. Then I was told no I would need to pay $400 even if I payed my phone and did a trade in. I am confused .

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