According to Reuters, we’ll see an iPhone 5 in September. The evidence seems to stem from those in factories responsible for parts in previous iPhones.
the phone will be looking just like the iPhone 4 but with a faster processor are there
So, the iPhone 5 will likely be to the iPhone 4 what the iPhone
3GS was to the iPhone 3, an iterative upgrade with better stuff inside,
but basically the same on the outside.