The market for used iPhones has always been hot compared with other mobile devices, but it's gotten even more active since the new iPhone 6 was introduced this week.
Ben Fox Rubin, CNET
Sat, 09/13/2014 - 4:00am
The market for used iPhones has always been hot compared with other mobile devices, but it's gotten even more active since the new iPhone 6 was introduced this week.