While designed for specific iPhones, this works beautifully on many devices: Device Category Compatibility Status iPhone 6, 7, 8, SE Perfect Fit: Native resolution. iPhone Plus Models Good: Will upscale slightly (may lose minor crispness). Modern Androids
Electric blues and purples that "pop" against dark mode settings. 750x1334 Cute Butterfly Wallpaper For Mobile Ph...
If using iOS 16 or later, look for images with a clear subject and a blurred background to enable the "3D" layering effect. While designed for specific iPhones, this works beautifully