O2 to launch iPhone 3G at 7 a.m., limited one per person

O2 will officially launch the iPhone 3G in the United Kingdom on July 11 at 7:00 a.m. local time, and has also imposed a sales limit of one-per-person on the new handset. “Orders will be placed on a first come first served basis,” O2 said in a text message to customers explaining the need for the sales limitation. “We will be writing to you again before the 11th with details about how you can place your order.”