Sometimes... With T-Mobile and AT&T you can used the cellphones offered by these two companies with eachothers service. For example if you buy an unlocked i-phone (which is an AT&T phone) you can use it with T-Mobile. You can do this because they both use the GSM network which requires SIM cards. However you cannot use an unlocked sprint or Verizon type phone with T-Mobile or AT&T because they do not use the GSM network.
Generally, No. Although if you purchase the phone unlocked, you can use it with a Verizon prepaid plan.
You can buy a one touch cell phone with an unlocked sim card , trying Ebay would be your best bet .
retail price but there are always phone stores that sell them for a decent price, or onlineI would not pay retail and buy a pre-owned phone to get you through your contract.You should be looking for an unlocked cell phone. With an unlocked phone, you can use the phone with any sim card in the world. A great site for unlocked phones is http://www.bigtimewireless.com
Verizon's has an international cell phone plan. You could call them up at 1800VERIZON and request them to add the international plan to your current plan.
Unlocked phones are phones that you can buy that are not permanently connected to any phone company. You can get a cell phone plan from any company that you desire after you own the hardware. If you are going to be traveling, it is a good idea to get unlocked phones. This will allow you to put them on a plan with the main provider in the country that you end up in, which may be different than the main provider at home.
as long as the phone is unlocked you can use it with any sim card. however blackberry does use a different kind of data so you need to make sure your plan is compatible with blackberry
Only by contacting your cell phone operator you can change or cancel your plan. Once your plan is cancelled you have two alternatives. Ask your current mobile phome operator for another plan, or then move onto another operator whose plan fits better to you.
as long as the phone is unlocked you should be fine. however in some cases the phone needs a data plan to work.
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The best cell phone provider such as the AT&T can help you find a good cell phone plan.
Makes the phone available to use under all cell phone companies.. example: The Apple i-phone (AT&T) was unlocked before I bought it, therefore I can use it under my Verizon Wireless plan.. explanation: Verizon Wireless does not have the i-phone
You can head over to Verizon.com to discover the options you have to find a free phone. You can do this by signing up for a plan or by upgrading your current cell phone.