NO CONTRACTS / No SERVICE PLANS the Benefits of Unlocked Phones:The Benefit of having a unlocked cell phone is not having to deal with contracts and Freedom from carrier control. No Contracts and No Service Plans. Pre Pay is the best way to save money for most people. Specially If you don't use your cell phone often. Also if you have an unlocked cell phone you can take it with you on vacation get a local sim card and don't have to worry about a huge bill.
Now all that's left to do is find and purchase an unlocked phone that's right for your needs. After you buy the unlocked phone of your dreams just get a prepaid sim card from any carrier like at&t or t-mobile or any other carrier that uses gsm sim card technology. Put the sim card in your phone and you are all set.
The world is GSM, GSM is the world:
Gsm Sim card technology is the most widely used cell phone technology around the word today. In the United States unlocked cell phones can be used with AT&T / Cingular, T-Mobile and other GSM Carriers / Providers