Premium smartphone displaying fluid abstract liquid gradient wallpaper

3D rendered luxury smartphone with metallic gold-bronze frame positioned at oblique angle against black background. Display screen exhibits fluid abstract wallpaper composed of swirling liquid patterns in yellow, purple, brown, and black tones creating marble-like organic flowing textures. Device features notch design, speaker grille visible on bottom edge, precise rim lighting highlighting metallic surfaces and screen bezels. Rendering technique demonstrates high-fidelity material simulation with accurate specular reflections and subsurface characteristics typical of premium device visualization.