Internet metrics firm comScore has released its first data on iPhone use in the U.K. Based on a three-month average ending in January, iPhone users lead traditional smartphone users in all measured online activity, with 93 percent of iPhone users accessing mobile media in January. Nearly 80% of iPhone users accessed news or information via the Safari browser, compared to 48% of smartphone users, and 75.4% accessed e-mail, compared to just 35.4% of…