It is an S6 so hopefully you got a good deal on it or you should have considering its now blacklisted. $20 a month to rent a phone isn't to bad as long as you didn't pay more than $120 for it. Always buyer beware on the second hand market.
Please, let's not discuss selling phones that have been reported lost or stolen. If something is in fact stolen (doesn't matter that someone else did the possible theft), it is not legal to sell such merchandise to anyone or to anywhere.
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