Extreme Wireless is one of the nations largest wholesalers/distributors of used and refurbished cellular phones.  We have been in the industry scince 1996. Not only do we do business in the US but anywhere in the world.  We have a full line of CDMA, TDMA, GSM, and Nextel.  We are one of the only companies that offer a 30 day warranty on our product.  Please feel free to call or email us to understand what customer service is all about!