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Steve Jobs released the first apple smart phone to the public for the price of $500. -
The next iphone is released with not many new features, but a few new apps like App Store, Scientific Calculator, and other 3rd party apps. -
The iPhone 3GS is an upgrade in multiple ways. The camera upgraded from 2MP to 3MP and the memory capacity doubled from 128 MB RAM to 256 MB RAM. -
The iPhone 4 was the best iPhone yet with new features like Facetime and HD recording. Also, the memory doubled again, and the camera quality upgraded to 5MP. -
The iPhone 4S has a new camera with 8MP and Siri is introduced. -
The iPhone 5 has new features like Apple maps, Panoramic photos, ans 1GB memory capacity. -
The iPhone 5S is equipped with some of the coolest features yet including Fingerprint Touch ID and Airdrop. -
The iPhone 6 is very similar to the iPhone 5 because of its camera and memory. It does have new apps like Apple Pay, Health App, and iCloud Drive.