The Samsung Galaxy S21 Ultra 5G is a flagship smartphone from Samsung's Galaxy S21 series, which was released in January 2021. It is a high-end device and comes with several advanced features and specifications. Here are some key specifications and features of the Samsung Galaxy S21 Ultra 5G:

1. Display: 6.8-inch Dynamic AMOLED 2X Quad HD+ display with a resolution of 3200 x 1440 pixels and a 120Hz refresh rate.
2. Processor: Depending on the region, it comes with either the Qualcomm Snapdragon 888 or Samsung's in-house Exynos 2100.
3. RAM: 12GB/16GB
4. Storage: 128GB/256GB/512GB internal storage (Please note that you mentioned the 256GB variant)
5. Camera: Quad rear camera setup, featuring a 108-megapixel primary sensor, a 12-megapixel ultra-wide sensor, two 10-megapixel telephoto sensors with 3x and 10x optical zoom respectively, and laser autofocus. On the front, it features a 40-megapixel camera.
6. Battery: Non-removable 5000mAh battery with fast charging, wireless charging, and reverse wireless charging support.
7. Operating System: Launched with Android 11 and Samsung's One UI 3.1, and it has received subsequent updates.

The Samsung Galaxy S21 Ultra 5G is designed to offer top-of-the-line performance, a fantastic display, and an advanced camera system that caters to photography enthusiasts and professionals.

It's important to note that smartphone availability and specifications can vary by region and time. Since my information is not current, I recommend checking Samsung's official website or authorized retailers for the most up-to-date details on the Galaxy S21 Ultra 5G, including pricing and availability.

The Samsung Galaxy S21 Ultra 5G is a flagship smartphone from Samsung's Galaxy S21 series, which was released in January 2021. It is a high-end device and comes with several advanced features and specifications. Here are some key specifications and features of the Samsung Galaxy S21 Ultra 5G:

1. Display: 6.8-inch Dynamic AMOLED 2X Quad HD+ display with a resolution of 3200 x 1440 pixels and a 120Hz refresh rate.
2. Processor: Depending on the region, it comes with either the Qualcomm Snapdragon 888 or Samsung's in-house Exynos 2100.
3. RAM: 12GB/16GB
4. Storage: 128GB/256GB/512GB internal storage (Please note that you mentioned the 256GB variant)
5. Camera: Quad rear camera setup, featuring a 108-megapixel primary sensor, a 12-megapixel ultra-wide sensor, two 10-megapixel telephoto sensors with 3x and 10x optical zoom respectively, and laser autofocus. On the front, it features a 40-megapixel camera.
6. Battery: Non-removable 5000mAh battery with fast charging, wireless charging, and reverse wireless charging support.
7. Operating System: Launched with Android 11 and Samsung's One UI 3.1, and it has received subsequent updates.

The Samsung Galaxy S21 Ultra 5G is designed to offer top-of-the-line performance, a fantastic display, and an advanced camera system that caters to photography enthusiasts and professionals.

It's important to note that smartphone availability and specifications can vary by region and time. Since my information is not current, I recommend checking Samsung's official website or authorized retailers for the most up-to-date details on the Galaxy S21 Ultra 5G, including pricing and availability.