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The first generation of iPhone. The camera was 2.0 megapixels. It didn't have App Store, but you had access to internet. It had 128 MB of memory.
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It had 256 MB of memory, and App Store was finally available. The camera got an upgrade to 3 MP and added video recording. It had 3G connectivity, which made internet access quicker.
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The first iPhone to have a front-facing camera. With 512 MB of memory, it was equipped to handle a lot more than the iPhone 3GS.
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The camera stayed the same, but the memory was boosted all the way up to 1 GB. The iPhone 5 had LTE connectivity, ad for the first time the screen was bigger.
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It was very similar to the iPhone 5, but it had a significant larger screen. The camera stayed the same, and the option to get an iPhone with 128 GB of storage became available.
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It had all the internal specs of the iPhone 6 in a small average. Moreover, this iPhone was introduced as a more affordable option that people really liked.
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It had a dual camera with a resolution of 12 MP each. It also had 3D touch, and the screen size was 5.8 inches.
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It gives the possibility to choose from 64 GB to 256 GB of memory. It is the most expensive iPhone till this day. It has face ID and a triple camera with 12 MP each.
