Recommended: Use an icon with a solid background to ensure it is visible against any device wallpaper or screen background color. This icon appears on a user's mobile device when they bookmark your mobile site using "Add to Home Screen." It is also used as the favicon for desktop browsers. If you do not provide a custom icon, your account logo will be used by default.
Only website admins have access to change the Mobile Bookmark Icon. Below are the theme asset requirements and step-by-step instructions for updating your icon.