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 - Kickstart the new year with a fresh outlook. Download our latest wallpaper, Synergy: https://www.razer.com/downloads#desktop-wallpapers | Facebook
Download Razer wallpapers, virtual backgrounds, and videos
Razer HD wallpapers | Pxfuel
Razer wallpapers for desktop, download free Razer pictures and backgrounds for PC | mob.org