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The proliferation and assimilation of the mobile phone, and subsequently the smartphone, have profoundly impacted and transformed society in several ways. Smartphones appeared as we moved from $2$G to $3$G and finally $4$G networks, bringing with them a plethora of platforms, services and functions that are now essential to our everyday existence.

The cell phone, sometimes referred to as the mobile phone, has an interesting multi$-$decade history. Communication and connectivity have changed dramatically with the transition from first$-$generation $(1$G$)$ devices to today$$s sophisticated smartphones. When Nippon Telegraph and Telephone $($NTT$)$ began offering $1$G service to Tokyo residents in $1979,$ Japan became the first nation with a statewide $1$G network.

Moreover, Motorola debuted the commercially available DynaTAC, also known as $$The Brick,$$ in the same year. The DynaTAC weighed a hefty $2$ pounds, had a talk duration of only $30$ minutes, and required around $10$ hours of charge. Ameritech sold over $1,200$ DynaTACs in its first year of release, exceeding forecasts despite its awkward design. Motorola$$s income in $1998$ was made up of two thirds mobile phones. Nevertheless, $1$G has other shortcomings, including poor audio quality, spotty coverage, no encryption, and sluggish download speeds. Surprisingly, Russia still runs the sole $1$G cellular network in existence today.

The late $20$th century saw the emergence of the smartphone, a revolutionary gadget that combines networking, computer, and phone functionality. These little wonders fit in your pocket and combine functions like apps, entertainment, and internet access. Trends including personal computing. The Internet of Things $($IoT$),$ and multimedia distribution have shaped the development of smartphones $.$ Smartphones have evolved from simple cell phones to these multipurpose gadgets that are now essential tools for productivity, entertainment, and communication.

By this we have understand some differences between the Cell Phones and Smartphones. In this report we will discuss the evolution of the mobile phone from $2001$ till $2020.$ Starting with the development of mobile internet in $2001,$ then the first android smartphone in $2008$ and finally the modern smartphone.

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