I have the Iphone and the Unlimited Web Browsing Bolt-On, what I need to know is in what situation I would incur charges via the browser on the phone. Now my understanding of what o2 have told me is that it is completely free up to the point of 200mb, which seems extremely fair to me. So under what situations would I be charged on top of my normal tariff?
gprs is still with in the network, just lower connection and roaming is when you are out of the network of the carrier.