When companies sell refurbished, used, pre-owned, or like new cell phones, they are providing a great way to get a perfect working phone at the fraction of the cost of a new one in the box. MobileCellMart offers an excellent selection of cell phones for Verizon, Sprint, AT&T, and T-Mobile including Flips, Keyboard, and Android Models. All the phones are fully tested, and come with a 30 day warranty.The phones are ready to activate, and include free shipping. First class USPS mail gets your phone to you as fast as possible. No need to drive into town, or search through local stores that often overcharge, and have limited selection.