Dear Emrah,
You need to remove and reinstall the “voifone” Theme, “Voifone Core” and “WPBakery Page Builder” Plugins to get the full updates of the theme.
Please follow the steps below to update the theme.
1. Go to Appearance -> Themes
2. Active another theme & delete the Voifone
theme
3. Click Add New -> Upload
4. Upload, install & activate the latest version of Voifone
theme
Or check out the article https://www.wpbeginner.com/wp-themes/how-to-update-a-wordpress-theme-without-losing-customization/ to update the theme.
Follow the steps below to update the plugin.
1. Go to Plugins
2. Deactivate & delete the Voifone Core
and WPBakery Page Builder
Plugins
3. Go to Appearance -> Install Plugins
4. Install & activate the latest version of the plugins
Best Regards,
ThemeLooks Support Team