In just five short years, Apple has become the third largest mobile phone manufacturer in the world. International Data Corporation (IDC), as part of the continuing Worldwide Mobile Phone Tracker survey, noted that the overall mobile phone market is still growing despite a major decline in numbers for low-priced "feature phones." Despite fierce competition from both Apple and Samsung, Nokia retained its spot as the leader in mobile phone shipments. The company is transitioning from the Symbian OS for smartphone
