If you buy a smartphone from a provider, the chances that it's not unlocked are high. This means that you cannot use a simcard from a different provider in your phone. It can be handy to have a unlocked phone when you change providers or when you want to sell your phone.
Overstock.com offers a wide selection of unlocked GSM cell phones. You can also find some on Amazon.com and Buy.com.
A cheap unlocked cell phone would probably be a used flashed phone. A flashed phone is a phone that is able to be used by other carriers. New ones wouldn't be cheap.
Consumers may find cheap unlocked cell phones for sale on the Internet. A variety of auction-style websites and popular electronic merchants may feature cheap unlocked cell phones. If you buy an unlocked cell phone, you may be able to use the device on another service provider's network. You might be able to buy cheap unlocked cell phones through certain classified newspapers.
A cheap and unlocked cell phone would have a lot of options and capabilities compared to an locked phone. This person would have more access to applications and programs on their phone.
When looking for a cheap unlocked cell phone to use with a SIM card, check which bands the phone works on. If you plan to travel outside the USA and buy foreign SIM cards to save money, as is very popular now, find out for sure what bands cellular service works on in the countries you will visit. It's no use having an cheap unlocked phone in Europe, for example, if it's a dual-band. You need a tri- or quad-band or your phone will not work.
When your cell phone is unlocked, you can use it with any service provider's network. The original service provider will have to unlock the cell phone for you.
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what is an unlocked cell phone
You have two options when it comes to buying an unlocked cell phone. First option is to find one on Craigslist.com, just choose your city and type in the desired phone plus the word unlocked. The other option is Ebay.com, search for desired phone pluse type jailbroken or unlocked.
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Vendors who offer cellular phones generally offer them unlocked so that you can use the service of your choice. If you buy a cell phone from an individual, you can find instructions online to unlock it.