Mobile cell phone unlocking has been around since the start of GSM phones. But why would you want to purchase an unlocked cell phone? Having a locked phone means you will not be able to use your cell phone with other carriers besides the one you have a contract with. Unlocked cell phones allow you to move from carrier to carrier without having to change your GSM cell phone. You will be able to switch carriers simply by changing SIM cards. Unlocked cell phones feature several advantages:
3. You will be able to use exclusive handsets with any carrier.