Nokia was once the dominant mobile phone company but lost significant market share as smartphones became popular. The document analyzes reasons for Nokia's decline, including complacency, lack of innovation in transitioning from Symbian to Windows, and not creating user-friendly smartphones like Apple. In contrast, Samsung embraced Android, launched iPhone-like smartphones for different segments, and saw large gains in market share over Nokia from 2010 to 2012. The SWOT analysis identifies strengths like experience but also weaknesses like less stylish low-cost phones that lacked the appeal of competitors' products.