Sana Fatima conducted a research project on customer preferences and satisfaction with mobile phones in Patna, India. She surveyed 74 people and asked them questions about their current mobile phone usage patterns and preferences. Key findings included: (1) Samsung and Oppo were the most popular brands, (2) features and brand were most important in phone selection, and (3) most respondents were satisfied with their current phone. The document provides details on Sana's research methodology, objectives, survey questions, findings, and conclusions drawn.