1. wp-config.php -> define( 'UPLOADS', 'wp-content/'.'img' ); before String: require_once( ABSPATH . 'wp-settings.php' );
2. folder 'img' was created by WP; move images from 'uploads' folder to 'img' folder
3. Search & Replace Plugin -> replace old names to new 'uploads/2020/05/01' to 'img'