The Samsung company was founded in 1969 and later became the leader in home appliances, telecommunications, audio and video content, including healthcare, the environment and energy worldwide. This Research deals with the strategy of successful business and growth of the Samsung company as well as the development of mobile phones through history, with accent on the Samsung Galaxy Note 7. This Research defines the history of the company as well as all the significant advances through it. Based on the Product, we analyze all the achievements of the Company as well analyze the development of mobile devices. This Research is based on its own public opinion poll result of the company itself, as well on its products on the market. Big effort is related on the launch, development and crush of the mobile phone Samsung Galaxy Note 7. In September 2016., there were rumors worldwide that the battery of the Samsung Galaxy Note 7 was burned used by multiple users around the World. The main problem was with batteries, that had been burned or exploded during the process of charging. This scandal had huge bad effect on the company, so its value had been dropped on stock market by $ 17 billion in just one day. In this work, we will analyze and determine behavior end users of the Samsung's smart phones after crisis situation happened, and will investigate if they will buy Samsung smart phones again. End users in Croatia are not loyal to only one mobile phone manufacturer, ie. most of them are making analyzes before buying a new mobile phone. Samsung is keep trying to be the number one in mobile phone technology, but market is changing all the time, so end users are deciding to buy mobile phones from another manufacturers as well. Furthermore, mobile phone technology is part of our every day life. Samsung as well other mobile phones Manufacturers are giving very big efforts to improve and promote their Products in order to acquire as many possible end users.