This report provides a comprehensive analysis of the Apple iPhone's global supply chain management and operational performance, focusing on cost as the key objective. The report begins by describing the iPhone's supply chain, identifying key members such as producers, distributors, retailers, and customers, and explaining their interconnections. It highlights both upstream and downstream activities, including the roles of suppliers, distributors, and online retail stores. The analysis then critically examines the iPhone's operational performance, specifically its cost structure, and compares it with that of its main competitor, Samsung. The comparison covers various aspects of cost, including production costs, logistics expenses, inventory management, and employee turnover rates. The report uses academic and credible sources to support its findings, providing a detailed overview of the supply chain's impact on the company's operational performance and competitive positioning.