Do you want to upgrade your current cell phone or to buy a new one with more better features, I will give you my best tow ways to buy your favorite cell phone model trough the internet and with or without a cellular plan.
The first way is to go to Amazon.com, thy are the biggest store on the internet and in the same time it is very trusted by internet users from all over the world. They will give you some cool options like free shipping and discounts when you buy more than one product.
The second way is to get your favorite cell phone for free with a cellular plan, I can recommend TmiWireless.com where you can choose your favorite cell phone model and get it free after purchasing a suitable cellular plan for you or for your family.
If you need some cell phone reviews before you determine the model that you will buy, you can see short and smart reviews at Amazon website where you will be provided with the main features for every cell phone model available on the online market.