Originally Posted by jordan_6767
there are some blackberries on alltel that use GSM technology such as the blackberry world edition so if you were to get a blackberry which you have to pay $40 extra a month just to have one you could take out the SIM card and put it in the iphone after unlocking it and so and so. hope this helps you. but i am not positive that it will work but it does on t-mobile and stuff you just cant go into the store and activate it you have to activate it over the phone.
It won't work. The so-called world phones are not tri-band; the only GSM frequency they support is one overseas. You could take the SIM card out and put it in your iPhone. But, you'd have to go oversees for it to work.