Hello,

In your mobile menu, you should add a subcategory so after that, the functionality of viewing the subcategories in the mobile menu will be displayed. For instance, I have added a few subcategories for the “New Arrivals” menu item and the result you can see in the below screenshots:

https://prnt.sc/vo73K-3c4cuE

https://gyazo.com/2bb2dac6ef96ad824e430eb99daedd7b

You can also reach out to us if you have any questions.

Kind Regards