Red is the dominant color of official wallpaper for Oppo R11s and R11s Plus. So, I recommend you to use this abstract red background. A picture which especially designed for Oppo R11s and R11s Plus with 1080×2160 pixels. This resolution also suitable for any smartphones with 6-inch screen size or greater.
Both of Oppo R11s and Oppo R11s Plus are featured with many advanced technologies.
