With the arrival of mobile phones, “explains the world of telecom and miles ahead. History of mobile phone is a long history of great inventions and historic sites play an ingredient component. Mobile unit, otherwise known as long-term cell phone, portable electronic equipment for mobile communications, as a network of specialized base stations known as cell-site applications. In addition to the standard voice function of telephone, mobile phones are also capable of additional services, including SMS text messages, e-mail and packet switching for access to the Internet. Most current mobile phones connect to a network of base stations, in turn, with the public switched telephone network (PSTN) connected. It was 1945 (with the invention of zero-generation 0G) of mobile phones, which popularized the concept of mobile phones. In 1984 he invented the Bell Labs provides a “call transfer” feature that mobile phone users to travel through several cells in the same conversation. Motorola, the giant among mobile phones are considered as the inventor of the first practical mobile phone for handheld use in a vehicle not accept the setting. It was 1979 in Japan, NTT launched the first commercial cellular network. It was in the mid-1980s, when it is fully automated wireless network with the Nordic Mobile Telephone (NMT) system was introduced. This has been a boom in mobile phone use, particularly in Northern Europe. The first “modern” network technology on digital 2G cellular technology was in Finland in 1991 by Radiolinja, which on the GSM standard which also marked the introduction of competition in mobile telecommunications. After a decade, NTT, the first commercial launch of 3G (third generation) mobile phones in Japan. Not until the early 1990s, when mobile phones are too large to be carried in a jacket pocket, as they are kept in the vehicle as car phones. But with the miniaturization of digital components, these were all portable devices over the years. Among the mobile manufacturer, Nokia Corporation, the date, the largest mobile operator. There are approximately 36% of the shares on the market. Mobile phone manufacturers can be divided into two. The first group is the manufacturer as 75% of the market for mobile phones will be sold worldwide. The second phase of small manufacturers exists with phones mostly sold only in certain regions or for niche markets. Nokia phones, Samsung, Motorola, Sony Ericsson and LG are the group that a big sale on the market.