The wallpapers available for the Samsung S21 Ultra are designed to take advantage of its vibrant and high-resolution display. They include a wide range of themes, colors, and styles to cater to different user preferences. Here are some common types of wallpapers you can find:

1. Nature: These wallpapers often showcase breathtaking landscapes, scenic views, forests, mountains, beaches, and other natural elements. They can range from serene and calm scenes to vibrant and lively compositions.

2. Abstract: Abstract wallpapers feature artistic designs, patterns, shapes, and colors. They are often visually striking and can add a touch of modernity and uniqueness to the device's home screen.

3. Minimalist: Minimalist wallpapers emphasize simplicity and clean lines. They usually have a simple color palette, minimalistic graphics, and a clutter-free design. These wallpapers can give a sleek and elegant look to your device.

4. Photography: Samsung often includes wallpapers featuring professional photography. These wallpapers may showcase stunning portraits, cityscapes, landmarks, animals, or other captivating images that highlight the capabilities of the phone's camera.

5. Galaxy-themed: As a flagship device, Samsung often includes wallpapers that embrace the "Galaxy" theme. These wallpapers often feature cosmic or space-related elements like stars, galaxies, nebulas, or futuristic designs.

Additionally, Samsung provides the option to customize the wallpapers by applying different filters, effects, and layouts. Users can also set different wallpapers for the lock screen and home screen or enable the device to automatically change wallpapers at regular intervals.

Overall, the Samsung S21 Ultra wallpapers are designed to enhance the visual experience of the device and allow users to personalize their phone's appearance based on their preferences and style.