Unlock Samsung Galaxy S9?


    Hello! I am a current T-Mobile customer. I (believe it or not) won an iPhone XS Max in a giveaway recently, so I’ve been wanting to unlock my Galaxy so that I can sell it. I tried the Device Unlock app on the phone and it would not work. I’ve contacted T-Mobile and Samsung about it; they’ve both pointed the finger at each other. So I’m not sure who can help me. The phone is fully paid off.

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