I made a Razer wallpaper that is 1920x1080 but also fits nicely on a mobile device like a iPhone 12. I have added a example of it applied to a phone. :
Razer iphone , green, black, blue, light, red HD phone wallpaper | Pxfuel
RAZER Phone 2 Stock Wallpapers HD
Download Razer wallpapers, virtual backgrounds, and videos
Razer Wallpaper for Phone
Download Razer wallpapers, virtual backgrounds, and videos