Black Puppy in Yellow Box Bright 4K Phone Wallpaper

A fluffy black puppy with oversized, expressive eyes peeks out from inside a bright yellow cardboard box featuring a minimal smiling face illustration. The puppy rests its paws on the edge of the carton while its floppy ears frame its face, set against a solid warm yellow background accompanied by a playful red sketched heart floating to the right. Soft studio lighting highlights the detailed texture of the dark fur and creates gentle shadows inside the box container. This vibrant yellow mobile background offers high contrast and cheerful energy, making it an ideal lock screen or home screen wallpaper. The clean solid background around the central box composition leaves ample negative space for app icon grids and lock screen clock widgets without visual clutter. Optimized in ultra-high resolution, the crisp edges and rich color saturation render clearly on all modern high-density smartphone displays.