The Samsung Galaxy S20 Ultra was one of the flagship smartphones from Samsung's Galaxy S20 series, released in March 2020. It was a top-of-the-line model and offered several advanced features and specifications. Here are some key specifications and features of the Samsung Galaxy S20 Ultra:

1. Display: 6.9-inch Dynamic AMOLED Quad HD+ display with a resolution of 3200 x 1440 pixels.
2. Processor: Depending on the region, it came with either the Qualcomm Snapdragon 865 or Samsung's in-house Exynos 990.
3. RAM: 12GB/16GB
4. Storage: 128GB/256GB/512GB internal storage with a microSD card slot for expansion.
5. Camera: Quad rear camera setup, featuring a 108-megapixel primary sensor, a 12-megapixel ultra-wide sensor, a 48-megapixel periscope telephoto sensor with 10x optical zoom, and a DepthVision sensor. On the front, it featured a 40-megapixel camera.
6. Battery: Non-removable 5000mAh battery with fast charging and wireless charging support.
7. Operating System: Launched with Android 10 and received subsequent updates.

The Samsung Galaxy S20 Ultra was well-regarded for its large, high-resolution display, powerful camera system with impressive zoom capabilities, and strong overall performance. It was designed to be a premium device, and its specifications reflected that.

However, please note that technology evolves quickly, and Samsung has likely released newer models since the Galaxy S20 Ultra. If you are considering buying a Samsung smartphone, I recommend checking out their latest offerings to ensure you get the most up-to-date features and performance.