The Samsung SGH-E690 represents a notable advancement over its predecessor, the SGH-E680, in several key aspects. This new model features a sleek and modern design, with a more refined shape that enhances grip and aesthetic appeal. The display has been upgraded to a vibrant 2.2-inch QVGA screen, providing better resolution and color accuracy for an improved user experience when viewing multimedia content.Performance has seen enhancements as well, with the SGH-E690 powered by a faster processor that allows for smoother navigation through its user interface and quicker app responsiveness. In terms of connectivity, the SGH-E690 introduces support for 3G networks, enabling faster downloading speeds and more reliable internet access compared to its predecessor, which was limited to 2G.Photography capabilities have also improved significantly; the SGH-E690 features a higher megapixel camera with improved low-light performance and additional shooting modes, allowing users to capture high-quality images in various conditions. The device's multimedia functionalities have been expanded with better audio support and a more versatile media player, accommodating various formats for music and video playback.Battery life has been optimized to support heavier usage, ensuring that users can enjoy their device longer without frequent charging. Additionally, the SGH-E690 includes enhanced memory options, with greater internal storage and support for microSD cards, allowing users to store more applications, photos, and media files than ever before.Overall, the Samsung SGH-E690 builds on the foundation laid by the SGH-E680, delivering a more powerful, feature-rich mobile experience that caters to the demands of modern users.