
3D icon of a simplified letter symbol composed of a black square with a diagonal line crossing over it, representing a muted or disabled state. The symbol is set in a solid white rectangular bead with smooth, rounded edges and a subtle embossed effect, giving it a raised appearance. The black square features rounded corners and a proportionate thickness of lines, giving it a clean Android OS application icon aesthetic. Ensure the overall design remains balanced and legible, emphasizing clarity and ease of recognition. The icon is presented in soft studio lighting, soft diffused light from upper-left, gentle highlight on top with a non-shiny, matte plastic-like finish on the black and white surfaces, no harsh shadows. white background, centered, no shadow, clean icon style, high detail, 3D render.