Introduction
The release of the Apple iPhone 4 in June 2010 marked a significant milestone in smartphone technology, embodying a blend of elegant design and advanced functionality that set a new benchmark for mobile devices. Although it has since been discontinued, the iPhone 4 remains a compelling example of Apple's innovative approach to personal technology during its time. This review explores the various facets of the iPhone 4, including its design, display, performance, camera, and other features, to provide a comprehensive overview of its capabilities and legacy.