If a used cell phone is "unlocked" does that mean I can use it on any wireless carrier?

If a used cell phone is "unlocked" does that mean I can use it on any wireless carrier?
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1 Answer

Answer :

Yes but before you pa that money have them to check it first An "unlocked" cell phone will work on any wireless provider's network, as long as the phone has a SIM card installed. This only applies to GSM phones (Typically AT&T, and T-Mobile).The other major type of cell phone, CDMA, does not use SIM cards, so these phones need to be programmed to a specific carrier by people with the software, and knowledge to do so.
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