Washington: Martin Cooper invented the first mobile phone on April 3, 1973. Since then, the size and service of mobile phones has been reformed and has become what it is today. The world’s first mobile phone weighed two and a half pounds. And it was 10 inches long. The phone could be spoken for 25 minutes on a charge once. The phone took 10 hours to charge.
The mobile phone, invented on April 3, 1973, has now become an irreplaceable part of life for almost everyone. Most of the day many of us spend most of the day grinding the mobile phone. But it is advised to avoid the use of mobile phones as much as possible.
