Hello,

Please contact the host support and find out if they have the backup automatically made.

When you upload a demo, you see the warning that the current settings would be changed. When you enable the backup, it restores the theme settings, at the same time this option does not roll back the header you used previously or the content on the home page.

That is why you do not see changes and it even may get worse restoring the theme settings backup.

If you have any questions please feel free to contact us.

Best Regards