I think that this abstract wallpaper with purple and silver lights will be perfect for Samsung Galaxy C7 wallpaper. A wallpaper with HD resolution in 1080×1920 pixels. It’s color combination makes this wallpaper looks cool and fresh. Just download it in original size and set it as your Galaxy C7 background.
Moreover, Samsung Galaxy C7 was released on October 2017. This smartphone is featured with 5.5-inch screen size. So, the screen needs a wallpaper with 1080×1920 pixels background. The C7 also completed with 13MP camera, 4GB RAM, 3000 mAh Battery, Octa-core (4×2.4 GHz & 4×1.7 GHz) CPU and Android 7.1 (Nougat) Operating System.