just add
all you have to do is add the data plan to your exsisting plan, i had cingular for like 8 years and just went to the AT&T store bought the iphone and paid the 18 upgrade fee and they added the 20 dolla data plan to my exsisting plan they also activated the phone for me so when i left the store i was able to use it.
did you use them before ? can you trust them? do you have any idea how much they would be ?
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is there any link on AT&T web site to check if we can use the iPhone with existing plan ? I don't wanna go on hold for 20 mins lol ... while I'm working !
all you have to do is add the data plan to your exsisting plan, i had cingular for like 8 years and just went to the AT&T store bought the iphone and paid the 18 upgrade fee and they added the 20 dolla data plan to my exsisting plan they also activated the phone for me so when i left the store i was able to use it.