You would think that with an iPhone refresh on the horizon, sales for last year's model would start to decline. Why would you buy an outdated handset, when you knew that a new one would be announced soon for the same price?
Apparently not everyone followed the iPhone rumors, or if they did, they just didn't care. Because according to BGR, the iPhone 4 was still the top-selling smartphone for both Verizon and AT&T during the month of September...