The Samsung SGH-E390 is a notable upgrade over its predecessor, the SGH-E380, introducing a range of enhancements that improve both functionality and user experience. One of the most significant updates is the incorporation of a larger, more vibrant display. The SGH-E390 features a 2.1-inch QVGA screen with improved resolution, offering clearer visuals and better color representation. This enhancement makes navigating menus and viewing multimedia content more enjoyable.The camera has also seen an upgrade, moving from a basic 0.3 MP on the SGH-E380 to a more capable 1.3 MP on the E390. This increase in megapixels allows for higher-quality photographs, making it easier to capture memorable moments with better clarity and detail.In terms of connectivity, the SGH-E390 introduces enhanced Bluetooth capabilities. The new model supports Bluetooth 2.0, which provides faster data transfer speeds and better compatibility with a wider range of devices, including headsets and other accessories.Audio quality has been a focal point for the E390, as it boasts improved sound performance. The device includes a stereo speaker setup, allowing for richer and more immersive audio playback, whether listening to music or making hands-free calls. Additionally, it supports a broader range of audio formats, enhancing versatility for users who enjoy media on their phones.Another noteworthy change is the storage capacity. The SGH-E390 offers a microSD card slot, which enables users to expand their storage beyond the internal memory. This enhancement allows for the saving of more multimedia files, applications, and other data, catering to user demands for additional space.In terms of design, the E390 showcases a sleeker and more modern aesthetic. The overall form factor is slimmer and more ergonomic, ensuring a more comfortable grip and ease of use. The button layout has been refined for better accessibility, enhancing the user interface of the phone.Battery life has also improved, with the SGH-E390 coming equipped with a higher-capacity battery that promises longer usage times between charges. This upgrade addresses user concerns about battery longevity, making it a more reliable choice for those on the go.Finally, the Samsung SGH-E390 runs on an upgraded software platform that provides a more intuitive user experience. Enhanced navigational features, greater customization options, and improved performance contribute to an overall smoother operation compared to its predecessor.In summary, the Samsung SGH-E390 brings a host of enhancements over the SGH-E380, including a better display, upgraded camera, enhanced sound quality, improved connectivity, expandable storage, modern design, longer battery life, and a more refined software experience. These improvements position the E390 as a compelling option in the mobile market.