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The Evolution of Cellphones: Understanding Networks and CoverageStill technically, every mobile phone, from the latest Android handset to the simplest feature phone, is a cellphone. It's all about the technology used to transmit your calls, rather than what ...
The iPhone, which debuted in 2007, transformed the phone by turning it into a tiny, mobile computer. Though other touchscreen phones had come before it, the iPhone's sleek interface revolutionized ...
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