Method 1: First, click Settings on the mobile phone desktop. Next, enter the settings interface and click on the desktop and wallpaper. Then, enter the desktop and wallpaper interface and click on the theme.
Then, enter the theme selection interface and click on the wallpaper. Immediately, enter the wallpaper interface, and then click Rank.
Finally, enter the ranking list, click on the free list, and you can change the skin of your mobile phone for free.
Method 2: Click the theme directly on the mobile phone desktop. Then do the above operation.