Certified Used Phones carries a full line of Boost quality used phones at great pricing! All of our Boost used phones have been fully checked by our professionally trained technicians and are ready to be activated. Our pre-owned Boost phones are backed by a 60 day (No Hassle) warranty & 100% satisfaction guarantee! If you are looking for great pricing on quality Boost 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 going to raise your bill through the roof! Buy smart, Buy Pre-Owned.