The advert boasted the new 3G model was "really fast" and showed it loading internet pages in under a second.

the advert was likely to lead viewers to believe that the device actually operated at or near to the speeds shown in the advert.
WTF !

Apparently its claims were "relative not absolute"


That's cleared that up then !

http://news.bbc.co.uk/1/hi/business/7749435.stm