iphone4 gsm and iphone 4 gsm(2012)

[exon]

what is difference between iphone 4 gsm and iphone 4 gsm(2012) ?

 

[willerz2]

There's actually no different between the iPhone 4 GSM and the iPhone 4 GSM Rev-A. The Rev-A strictly has an 8GB capacity and the iOS started on iOS 6. Those're the only two differences. No hardware differences, no software differences.