How to clear cache after PrestaShop 1.6 migration?

After performing migration to PrestaShop 1.6 you may face the issue of irrelevant data storefront due to old cached information. To clear PrestaShop 1.6 cached data, delete the content of the following folders:

1. cache/smarty/compile
2. cache/smarty/cache
3. img/ tmp

Clear all data in the folders, except index.php

Reload your website in browser to take a look at the changes you have made.