iPhone activations at AT&T grew by just 3% in the second quarter this year, and many industry watchers pointed to the flood of next-generation iPhone rumors as a likely culprit for the slowed growth. BGR has exclusively learned that this is not entirely the case, however, and the stalled iPhone sales at the nation’s No.2 wireless carrier may in fact be by design. Regional retail sales managers at AT&T have been instructing store managers to pump the brakes on Apple’s iPhone. Read the full story at Boy Genius Report.