Numbered Page Navigation In Woocommerce

I want to show pagination in my products page . I have show 12 products per page. I have inserted 50-60 products per category.i have instelled woocommerce plugin.Problems is

when i click any category, there Pagination appears but when i click on Product page link from upper Navigation menue there pagination does not appear.

Any idea. PLz reply urgently i am working on eshop project.

Here is link to my site:
https://doctorgadgets.co.uk/buy-mobile-phone-2/ (Product Page)
https://doctorgadgets.co.uk/product-category/computer-accessories/ (Category Page)