How to change the SMS interface mode of iphone?

Method 1: Click on a photo on the desktop-select a picture you want to set as wallpaper, tap the picture, then select the sign with an arrow outside the box, then select it as wallpaper, then zoom the picture to adjust the position, and then choose whether to set it as lock screen, home screen or both. . All right. Method 2: Set-brightness and wallpaper-then select a picture and repeat the steps after ☆ in Method 1.