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Answer:
A smartphone is a mobile phone that includes advanced functionality beyond making phone calls and sending text messages. Most smartphones have the capability to display photos, play videos, check and send e-mail, and surf the Web.The first smartphone was invented in 1992, 25 years ago. Created by IBM, the Simon Personal Communicator was truly revolution. It was the first phone to combine the functions of a cell phone, i.e you could make calls, and a PDA, which back then was a handheld device you could use for emails and to send faxes.
Answer:
A smartphone is a mobile device that combines cellular and mobile computing functions into one unit.
Average lifespan
two to three years
The average smartphone lasts two to three years. Toward the end of its life, a phone will start to show signs of slowing down