When AT&T’s monopoly on the iPhone ends in the U.S., it is not going to be pretty. With increasing evidence that Verizon is preparing to offer the iPhone 4 early next year, many people are waiting before buying one or upgrading. Many of those are existing AT&T customers who want the same phone on a better network. According to a new survey by market research firm Morpace, 34 percent of AT&T iPhone owners are waiting for the iPhone to be available on another carrier before upgrading, and a full 47 percent of current AT&T iPhone owners say they would consider switching to Verizon. So almost half of AT&T customers surveyed are not completely satisfied with AT&T’s network. → Read More