Product Description: S21 Ultra 5.0 Inch Android 11 Smartphone with Dual Screen, 4800mAh Battery, and Dual SIM 5.0 Inch Ultra HD Screen: Experience stunning visuals with the S21 Ultra's 5.0-inch ultra HD screen, featuring a 1920x1080 resolution. This display not only offers a broader visual experience but also delivers exceptional vivid colors and clarity, enhancing your viewing pleasure whether you're watching videos, browsing, or gaming. Large 4800mAh Battery: Stay connected longer with the impressive 4800mAh battery, providing up to 17 hours of talk time, 24 hours of music playback, and 6 hours of gaming. The AI battery management system efficiently reduces excessive caching, conserving power and extending battery life to keep you powered throughout the day. Android 11.0 System: Equipped with the latest Android 11.0 operating system, the S21 Ultra features an MT6580 octa-core CPU with speeds up to 2.0GHz and a 12nm processor. This powerful combination ensures smooth multitasking, responsive performance, and the ability to run multiple applications seamlessly, catering to both productivity and entertainment needs. Three Card Slots: The S21 Ultra supports dual SIM cards and a small memory card, offering flexibility and convenience. With 2GB of RAM and 16GB of internal storage, you have ample space for your apps and media. The phone supports 2G networks (GSM: 850, 900, 1800, 1900) and 3G networks (WCDMA: 850, 2100), ensuring reliable connectivity. Front 5MP and Rear 8MP Cameras: Capture life's moments with the S21 Ultra's 5MP front and 8MP rear cameras. The capacitive touch screen makes it easy to take photos, selfies, and videos, allowing you to document your experiences anytime and anywhere. The phone also features a micro USB port and a 3.5mm standard headphone jack for added convenience. This sleek black smartphone, compatible with 100-240V UK plugs, combines advanced technology with user-friendly features, making it an ideal choice for anyone seeking a reliable and versatile mobile device.