What are unlocked cell phones?
Unlocked cell phone means You can use with different network. Normally some mobiles are locked by particular provider. So you cannot switch over from another network. In this situation you must unlock your cell phone.You can easily unlock your cell phone by using unlock code. If you need unlock code you can visit this site Unlocking4free.com here you can get the unlock code and unlock your mobile easily
Some cell phones are designed to use a Subscriber Identification Module (SIM) card, or microchip that stores subscriber data. The SIM card is issued by a carrier and provides cell service by activating any phone into which it is inserted. A locked phone, however, will only recognize a SIM card from a particular carrier. If the cell phone is unlocked, it will recognize a SIM card from any carrier. The “lock” is a software setting that keeps the cell phone “loyal” to one carrier. In areas like the United States where carriers offer free or deeply discounted phones with cell plans, the phones are commonly locked so that they will not work with other carriers. Carriers claim this is necessary to subsidize the cost of the phones. After a period of time, a carrier might agree to unlock the phone upon request, perhaps charging a fee. However, due to proprietary settings sometimes installed in locked handsets, the phones don’t always function correctly with other carriers, even once unlocked.
phone that isn’t coded or ‘locked’ to only function with a certain plan or provider. Companies that make cell phones such as Motorola, Samsung, and Nokia merely make the actual phones; cell phone plan providers such as T-Mobile, Verizon, and AT&T are the ones who generally sell phones tied to their network. The problem with locked phones is that they only function on the network of the provider with whom you have a current cell phone contract with. Many people try to override this by simply taking their SIM chip (a card that stores one’s contract information, numbers, plan type, and more) and placing it in a phone from another provider. Some providers don’t use these chips making it near impossible to use their phone with over services while some phones are coded not to accept SIM chips from another provider. This locking of phones restricts one’s ability to get the best phone for their needs or wants and essentially locks someone into using only the phones their provider offers. These
