Published at Friday, October 09th 2020, 20:12:40 PM by Rosalinda Curtis. Iphone X. Free wallpapers for your phone Unless you own a really old mobile phone you can easily set up a new wallpaper. First of all get the image you want from the Internet. Whether it is a mobile wallpaper or just an image you can resize it to fit your phone screen. Once the picture is ready get it on your phone. You can use a USB cable or a Bluetooth device. After the transfer is done just use the settings of the phone to set up the picture as wallpaper.