With the help of Gecko Customizer, you can customize the product layout in mobile view. Force single column on Mobile or disable it to allow WooCommerce default settings or 3rd party page builders settings like Elementor.

More available options:

• Builder friendly products – Makes every single product view builder-friendly.
• Show sidebars on Product pages – Controls sidebar’s visibility on products pages globally.
• Product columns – Set default number of product columns.