If the latest survey from ChangeWave Research is any indication, the theory that the Verizon iPhone would be more reliable than AT&T’s iPhone is more than just a theory. That said, consumers still seem to be as satisfied with the iPhone 4 on AT&T as they do on Verizon.
82 percent of iPhone 4 owners on Verizon are satisfied with the device versus 80 percent on AT&T. Conversely, 18 percent are dissatisfied with the iPhone 4 on AT&T, and 16 percent on Verizon. Not much of a difference, and within the margin of error.
There are definitely areas where the two carriers diverge, though, most notably in dropped calls.