As of my last update in January 2022, there's no specific information available about a Samsung Galaxy S23 Ultra, as Samsung's release plans often evolve and are subject to change. However, based on previous trends and advancements in smartphone technology, we can speculate on potential features:
Display: Samsung's Ultra models typically feature large, high-resolution displays with advanced refresh rates for smooth scrolling and gaming.

Camera: Expect significant advancements in camera technology, possibly including larger sensors, improved low-light performance, and enhanced zoom capabilities.

Performance: The S23 Ultra would likely be powered by a cutting-edge processor, providing top-tier performance for multitasking, gaming, and productivity.

Battery: Samsung tends to focus on battery life, so we could see improvements in battery capacity and efficiency to ensure all-day usage.

Design: The design may feature premium materials and a sleek, ergonomic design with possibly thinner bezels and a refined camera module.

Connectivity: Enhanced 5G capabilities and support for the latest Wi-Fi standards would be expected.

Software: It would likely run on the latest version of Samsung's One UI software, offering a range of features and optimizations.

Security: Advanced security features such as facial recognition, fingerprint scanning, and secure element technology for mobile payments would likely be included.
Keep an eye on Samsung's announcements and official channels for updates and confirmation on the features of the Samsung Galaxy S23 Ultra as they become available.