The Apple Inc. iPhone 4 introduced significant changes and upgrades over its predecessor, the iPhone 3GS, setting a new standard in smartphone design and functionality. One of the most noticeable changes is the sleek new design featuring a glass front and back, along with a stainless steel frame that not only enhances aesthetics but also improves durability. The new design results in a thinner profile, making the iPhone 4 one of the slimmest smartphones on the market at its launch.The iPhone 4 also boasts a Retina display, providing a resolution of 960 by 640 pixels. This revolutionary display offers four times the pixel density of the iPhone 3GS, resulting in sharper text, more vibrant colors, and an overall enhanced visual experience. In terms of performance, the iPhone 4 is powered by the A4 chip, which delivers faster processing speeds and improved graphics performance compared to the 3GS's chip. This translates into quicker app launches, smoother multitasking, and an overall more responsive user experience.The iPhone 4 introduced a front-facing camera, enabling users to engage in FaceTime video calls, a feature that revolutionized communication among Apple users. The rear camera was upgraded to 5 megapixels and incorporated advanced features such as LED flash and the ability to record high-definition 720p video at 30 frames per second, marking a significant leap in mobile photography and videography.Additionally, the iPhone 4 introduced improved battery life, allowing for extended usage on a single charge, making it more convenient for everyday use. Another pivotal enhancement was the inclusion of iOS 4, which introduced multitasking capabilities, allowing users to switch between apps seamlessly. This update also brought features such as folders for organizing apps and an upgraded mail app, enhancing the overall functionality of the device.With these advancements, the iPhone 4 established itself not just as a successor to the iPhone 3GS, but as a transformative device in the smartphone industry, combining innovation, performance, and design in a way that set the stage for future iterations of the iPhone.
CHN
released
1420
3.5" (960 x 640 pixels, 326 PPI)
ios
A4 (S5L8930)
1. The Apple iPhone 4 revolutionized mobile photography with its groundbreaking 5-megapixel rear camera, featuring a built-in LED flash and capabilities for HD video recording, establishing a new standard for smartphone cameras and enhancing the user experience.2. With its iconic glass and stainless steel design, the iPhone 4 introduced a premium look and feel that set it apart in a crowded smartphone market, making it not just a device, but a fashion statement that reflected Apple’s commitment to superior design aesthetics.3. The iPhone 4 gained cultural prominence with notable appearances in popular media, including its role in the TV series "Mad Men," which helped cement its status as a symbol of innovation and modernity during the tech boom of the early 2010s.4. As a historical benchmark, the iPhone 4 was the first smartphone to feature Apple's Retina display, offering a pixel density of 326 ppi that provided unmatched clarity and visual quality, influencing later competitors to enhance their display technologies.5. Key differentiators of the iPhone 4 included FaceTime, the first-ever video calling feature on a smartphone, and multitasking capabilities, which allowed users to run apps in the background, setting a new standard for functionality that competitors had yet to achieve.
