I'm new, so I hope I'm posting this in the right place 
First off, I love my new iPhone 3GS such a step up from the 1G

Anyways, I was wondering if I purchase one of the data blocks from AT&T's global data add-on plan, would whatever mb that I didn't use 'rollover' onto the next month, so I could use what I would normally get and in addition the previous months unused mb data...
Thanks!
First off, I love my new iPhone 3GS such a step up from the 1G
Anyways, I was wondering if I purchase one of the data blocks from AT&T's global data add-on plan, would whatever mb that I didn't use 'rollover' onto the next month, so I could use what I would normally get and in addition the previous months unused mb data...
Thanks!