Delete number restore about mobile technology

Delete number restore about mobile technology

 Mobile phone has become an integral part of today's life.  Our day also begins with the end of mobile phones.  Older and older children have become addicted to it.  Today's parents also hold the phone in the hands of small children to avoid their problems, it becomes the habit of children.  Which is not right at all.

Mobile phones are also often referred to as "cellular phones".  It is a device mainly used for voice calls.  Currently technological progress has made our life easier.  Today, with the help of a mobile phone, we can easily talk to anyone around the world or video chat.

 Prior to 1973, mobile telephony was limited to phones installed in cars and other vehicles.  Motorola was the first company to produce handheld mobile phones.  On April 3, 1973, Martin Cooper, a researcher and executive at Motorola, made the first mobile telephone call from handheld subscriber devices to his rival, Dr. Joel Engel of Bell Labs.

The prototype handheld phone used by Dr. Cooper weighed 1.1 kg and measured 23x13x4.5 centimeters (9.1x5.1x1.8 in).  The prototype offered only 30 minutes of talk time and took 10 hours to re-charge.

John F. Mitchell, Motorola's flagship portable communications products and Cooper's boss, played a key role in furthering the development of mobile telephone devices.  Since Mitchell failed to develop wireless communications products to Motorola.  But his vindictive thinking laid the foundation for today's modern phones

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The new technology has been developed and rolled out over a series of waves or generations.  The term "generation" is only widely used when 3G was launched, but is now used retrospectively, referring to earlier systems.

 Today mobile phones are available in various shapes and sizes, have various technical features and are used for many purposes.  Such as - voice calling, video chatting, text messaging, internet browsing, email, video games and photography etc.  Hence it is called 'smart phone'.