Can a phone account block any phone i use???

  INeedHelpFrFr 21:52 26 Jun 2016
Locked

So i had a Tmobile account, i was using a Galaxy s6 edge plus for that account but the phone was not linked to the account. I sold my s6 edge plus and bought an s7 edge from a friend which was unlocked. I bought the phone a week after its release and have been using it until now. Recently, I couldn't pay the tmobile account anymore so it got cancelled but it says i still have amount due. I tried selling the phone but it came up as blocked or blacklisted. How is this possible? Did the unpaid balance block my phone even though the phone and the account aren't linked? This phone was originally under no contract or linked to any account. Can someone explain please.

  tullie 14:21 27 Jun 2016

I am no expert but isent it the sim that has been blocke?

  Govan1x 10:59 28 Jun 2016

Whoever sold you the phone may have bought it on contract and never paid any monthly payments. The phone would then be blocked.

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