Five smartphones with gradient wallpapers rendered in digital form

Five mobile devices arranged in horizontal row featuring vibrant gradient wallpapers. Technical specs: notched display design consistent across all units, dark bezels, varying color gradients from red-orange-yellow diagonals to blue-green-pink transitions. Rendered digital illustration employing smooth color blending, wave-form patterns in background, layered semi-transparent effects creating depth. Systematic presentation demonstrates contemporary mobile aesthetic with precise typography positioning on second device.