cell phones

                                        Cell phones

Is an electronic device that allows you to make calls and receive them, but to make calls your cell must have been activated by a telephone company, this would not be a problem since there are a lot of companies with different policies that you could access depending on of your needs and if they are to your liking. Cell phones are extremely important to keep us communicated by any situation or problem that may arise, but obviously not all people give an appropriate use to these, cell phones can have their advantages as well as may have their disadvantages. Cell phones offer you a large number of services such as text messages, internet access, email, access to make calls, bluetooth, digital photographs, applications that can help you in business, etc.

In the 50s a man named Leonid Kupriánovich was commissioned to create a mobile phone that had what was a range of 1 kilometer, which later decided to put in a magazine called "Radio" Soviet, but did not have a great success of which could be enjoyed, many people think that the first mobile phone was presented by a man known as John. F. Mitchell and another person named Martin Cooper who belonged to the Motorola company, this phone had a weight of 2 kilograms. From what was the year of 1983 to 2005, increased the subscription of people to mobile phones at a fairly high level, the level reached was more than seven billion, reaching a percentage higher than that of people who they lived on earth. For what was the 2016 the most famous phone companies were those of Apple, Samsung and Huawei.



Among some of the most important mobile phone companies are: 

Apple

It is a company of North American origin that designs electronic devices such as smart phones, computers and also create software. The central company is located in Los Angles. Some of the products produced by this company are the smart phones that are called iPhone, the tablets known as iPad, the musical players known as iPod, the computers called Macs, the smart watches known as Apple Watch which are one of the technologies that they were created more recently. Some of the softwares that are used by apple are: the IOS operating system, macOS, watchOS and tvOS and the browser that is responsible for the music known as iTunes and also the internet browser Safari. The creator of the company known as apple was Steve Jobs.

    

Samsung 

is a set of several multinational companies that have their headquarters in Seoul, South Korea. This company is one of the largest South Korean groups, and covers the parts of what would be technology, consumer electronics, biotechnology, finance, insurance, among others. This company was created by Lee Byung-chul in 1938, at the beginning it was a company of import and export of products. From what were the 1990s, this company had a great territorial expansion in the area of electronics, especially in electrical appliances, mobile phones and semiconductors. Samsung has been of great influence in the economic, political, mediatic and cultural development of what is the country of South Korea.

      

Huawei

It is a Chinese private company with high technology which is specialized in research and development. It was created in the year 1987 by the Chinese Ren Zhengfei, this company invests 10% each year of what their profits are for carrying out research. In addition to having stores in Shenzhen, Shanghai, Beijing, Nankin, Xi'an, Chengdu and Wuhan in China also has others that are located in countries like Sweden, the United States, Ecuador, Ireland, Venezuela, Colombia, Mexico, India and Russia. In 1996, the company known as Huawei got its first contract which was out of borders. Later in 1997, the Huawei company launched a product known as GSM and then increased its offerings to CDMA and UMTS technologies.