How to set the SMS wallpaper as your own photo for vivo9plus mobile phone?

The SMS background of vivo mobile phone does not support custom changes, so the SMS wallpaper of vivo X9Plus mobile phone cannot be set as photos in the album.

Supplementary explanation:

Vivo mobile phone can download the global theme application to change the SMS background, and enter I Theme-Theme-Select Global Theme to download the application to change the SMS background.

Specific operation steps:

1, click the I theme on the standby desktop.

2. Theme

3. Select a global theme to download the application.

4. You can change the background of SMS.