Certified Used Phones carries a full line of T-Mobile quality used phones at great pricing! All of our T-Mobile used phones have been fully checked by our professionally trained technicians and are ready to be activated. Our pre-owned T-Mobile phones are backed by a 60 day (No Hassle) warranty & 100% satisfaction guarantee! If you are looking for great pricing on quality T-Mobile used phones you have come to the right place. You don't have to sign a two-year contract to save money and we all know financing a phone is only raises your bill through the roof! Buy smart, Buy Pre-Owned.