You don't have to go to the cell phone store to get your next cell phone. Just browse our thousand of used and refurbished phones sorted by carrier and manufacturer, find the phone that you want, and it will be at your doorstep within a few days. All of our phones are sold with no contract and are guaranteed to activate with your current carrier. We have a full range of Sidekick 4g that you can select from. All of our phones are 100 percent functional, in fair or better condition, and are ready to ship to you today. Once you get your phone, there is no need to go to your carrier's cell phone store. For unlocked GSM phones, just swap out your sim card and your new phone is ready to use instantly. For CDMA phones (those with servie for Verizon, Sprint, and US Cellular) just contact your carrier with the pre-owned phone's ESN number and you are ready to go. It's that easy. Everything you need to activate your new phone is included, including an electronic user manual and activation guide. Should you have questions, our friendly customer service agents can assist you in finding a phone or placing your order. All of our products ship in 1 business day or less, so it won't be long until you get your next cell phone.