I am in Australia. On a recent trip to USA i used the ATT microsim from a friend's ipad that was purchased in USA but never activated. I started an att account and then cancelled it 3 weeks later when I left USA. I now want to give the same ATT microsim to my father for his trip to USA with his new iPad 2. Can someone confirm that the microsim can be moved from ipad to ipad with a new att account?