Buying new, unlocked phones or unlocking your existing phone is legal in the U.S.
Buying unlocked gsm phone is very legal. You can even figure out how to unlock them yourself.
No they aren't illegal but once they are unlocked the warrantee for the phone is no longer valid. Yet with an unlocked phone you can get apps that you want without any restrictions.
Yes you can get unlocked phones online which can be used on any carrier. One of the best places to find unlocked phones is ebay.
does cell mart sell unlocked phones
Yes, the majority of the time unlocked or jail broken phones are worth more than locked phones. Why? You might ask, well it's simple unlocked phones run faster and provide free applications. Although not all jail breaks are totally legal it still cost money or takes skill to unlock the phone. Which is why they are worth slightly more.
no
You should be able to find information on unlocked phones on the company of your phone's official website, or if they do not have anything about unlocked phones, you could talk to customer service.
You can buy unlocked phones from internet sellers. For example, http://www.amazon.com/Unlocked-Phones-Accessories-Cell/b?ie=UTF8&node=283273011 and http://www.cellhut.com/.
only unlocked phones
Unlocked phones can become non-functional but this is rare. When changing carriers, you may need to configure your unlocked phones and sometimes foreign phones may experience compatibility issues.
Unlocked phones can be purchased directly from the phone's maker, as well as popular retail sites like Amazon. Unlocked phones are harder to find because of legality issues in some countries.
You can purchase unlocked cell phones from specialty sites such as http://www.puremobile.com/. It would be a good idea to do a search for unlocked cell phones on the internet, and to look for a reputable company.