The Theme for Iphone 13 Pro Max is an application that contains wallpapers and themes for Iphone 13 Pro Max, which can be downloaded to the smartphone for free.

In the first step of the application, you have to download it, you can find the download button on the top right of the screen.

Second, you have to open the application, you can find it on your smartphone.

Now, you have to click on the button "Apply" on the top left of the screen.

Finally, you will find the option "Theme" on the top right of the screen, and you can choose your favorite wallpaper.