In Pictures: Apple’s most important iPhone upgrade...
Last month marked the seventh anniversary of the launch of Apple's first-ever iPhone, the device that quite literally sparked the smartphone revolution. Since then, the iPhone, while essentially retaining the same shape, has incorporated a ton of features that, when taken together, make the original iPhone look beyond antiquated.
With that in mind, here is a list detailing all of the biggest iPhone enhancements we've seen since the original launched all the way back in 2007.
In Pictures: Apple’s most important iPhone upgrades over the years