How do you Unlike all pages in Facebook at once?
If you want to unlike all the pages, scroll to the most bottom part of the page — the part where you couldn’t scroll down anymore. This is to bring all the ‘Liked’ buttons on the page view.
How do you delete liked pages on Facebook?
Why does Facebook not let me unlike pages?
Unliking Nonexistent Facebook Pages
Active pages allow you to unlike and like as much as you see fit by going to your profile and heading into the “Likes” section. … So, what can you do to unlike nonexistent pages in Facebook? The answer is nothing. You are stuck with that stamp on your profile forever, at least for now.