Sony Xperia U ST25i comes with 3.5 inch LED backlit LCD screen with Mobile Bravia Engine. Running on Android Gingerbread OS, the phone is upgradable to v4.0 Ice Cream Sandwich. It has 3G, Wi-Fi, DLNA, Bluetooth, and USB connectivity. The phone has 5MP primary camera with LED flash and is capable of recording HD videos @720p. Other features include 1GHz dual-core processor, STE U8500 chipset, HTML5, Adobe Flash Player, Sony xLOUD engine for improved sound, 512MB RAM, and 8GB built-in memory.