WHAT IS FACEBOOK FLEX?
Facebook flex is a free version of Facebook which allows Facebook users to browse on Facebook without data or credit.They can like, comment, share posts and even chat freely on messenger.
HOW DO I ACTIVATE FACEBOOK FLEX?
Facebook Flex is automatically activated for all Facebook users.
One only has to click on the button “start using Facebook for free” appearing on the top of the page on the application.The user can also dial *222# to activate Facebook flex. Note that you can return to the paid version by clicking on the button “return to paid version” on the top of the page.