A photorealistic vertical 9:16 video documenting an extreme durability test on a matte orange smartphone. The phone rests horizontally across the rim of a clear, empty drinking glass on a light wood-grain table, with a solid dark navy background. A pair of metal pliers carefully lowers a glowing red-hot metal sphere onto the center of the phone’s back glass. As soon as the sphere makes contact, thick white smoke billows violently upward while the intense heat begins melting through the glass. The pliers release the sphere and move out of frame. Over time, the red-hot sphere steadily sinks into the molten glass, forming a deep circular crater with visibly liquid, glowing edges. The heavy smoke gradually decreases into thin grey wisps as the sphere cools from bright pink-red to dark grey. After the burning process completely stops, a human hand enters the frame holding metal tweezers, carefully grips the cooled sphere, and lifts it vertically out of the charred circular hole. Finally, the hand picks up the smartphone and flips it over to reveal that the front display is completely intact and powered on, showing a colorful iOS-style home screen with widgets and app icons, demonstrating that the phone survived the localized extreme heat damage. Use a static, locked-off camera angle throughout the entire scene. Maintain sharp focus, realistic lighting, physically accurate heat, smoke, melting, and cooling behavior, natural hand and tool movements, highly detailed textures, photorealistic materials, high-definition image quality, and realistic physics. Absolutely no music, no song, no soundtrack, no background audio, and no added ambient audio. The generated video must contain no audio whatsoever. 9:16 vertical aspect ratio, photorealistic mobile-video style, high definition.