The evolution of the phone

Timeline created by Beatriz de Alcantara
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    With the shape of a “candlestick”, this phone worked with the use of a hand crank, where the signal was sent to an operator, who completed the call.
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    The classic model of telephone was developed, where a ring was rotated to dial the desired number. Even today, some households rely on this device, either to make calls or as a decorative aspect.
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    The first “flip” phone model was created. There were still no buttons on it and it was also necessary to turn the ring to dial.
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    Fixed telephones appear with buttons to make calls. Although it is an old model, it is still widely used today, both in the domestic environment and in commercial environments.
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    The cordless phone is created, a real leap in technology for the time, allowing users to walk within a certain distance while talking on the phone.
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    Motorola launched the first cell phone model in Brazil. This device already had a display to see the numbers entered.
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    Cell phones are smaller, colorful and now have digital cameras.
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    The first cell phone models with the ability to store music files (MP3) are launched.
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    First touchscreen phone and smartphone.
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    Most cell phones already support internet connection.
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    Today cell phones are very advanced, with front camera and digital unlock.