If you cant find the Facebook Dating option anywhere on your screen, its likely due to one of these two reasons: either you arent using the Facebook app, or youre under 18. If youre 18 or older, though, all you have to do is download the Facebook app to access Facebook Dating.
What happens if someone blocked you on FB dating?
Anyone youve blocked on Facebook will be automatically blocked in Dating. To unblock someone, tap Unblock next to their name. Note that Facebook Dating isnt available to everyone.
How do I clear my Facebook cache on my iPhone?
To clear the Facebook apps cache on your iPhone, you can head into the apps Settings & Privacy menu to clear its browser cache, and delete and reinstall the app to fully clear its cached data.