Unlike the auto which loses much of its value the moment you drive off the dealer's lot, iPhones tend to remain valuable to owners. According to new research, Apple's handset does better at retaining its value, compared to Android phones. In a related study, trade-in programs are increasingly important to smartphone owners deciding on carriers.
Although the value of Android phones fell by as much as a third in three months, iPhone prices actually go up. The price of an iPhone 4 asked on eBay was 10.3 percent higher than at the start of the three-month period, one Wall Street analyst found...