Can a phone used with AT&T as a service provider then be used with T-Mobile? What does unlocked even mean? [more inside]
posted by readery on Dec 10, 2009 - 4 answers

I'm a customer of Verizon Wireless in New Jersey. If I purchase an "unlocked", refurbished Motorola V3 RAZR can I use it with my current Verizon service/phone #? [more inside]
posted by de void on Jul 24, 2007 - 7 answers

Is an unlocked smartphone right for me? Or should I wait til my contract lapses? [more inside]
posted by Eideteker on Jul 2, 2007 - 8 answers

Why are the phones on ebay so cheap? I can't see where the profit comes from. [more inside]
posted by spaceman_spiff on Apr 9, 2007 - 13 answers

What are some reputable sources in the United States for an unlocked GSM cell phone? [more inside]
posted by nathan_teske on Jul 8, 2005 - 9 answers

Anyone have any recommendations on a good place to buy cell phones? [more inside]
posted by mrg on Jun 19, 2005 - 7 answers

Cell phone(s): Can anyone tell me what "unlocked" means when referring to a cell phone? I see this on eBay quite a bit.
posted by johnj on Feb 2, 2005 - 8 answers