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Period: to
cell phone research
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First phone
Alexander Graham Bell invented the first cell phone. -
Second Phone
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phones ugraded since 1890s
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Nokia 5110
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Nokia 7650
without antenna and with a phone. -
Motorola V3
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first iphone (1stG)
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samsung galaxy s ll
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Nokia Lumia 800 Windows 7 Mobile Edition OS.
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iphone 5s n 5c