Sometimes dark mode doesn’t work when it’s disabled. It may also be a bug in the Facebook app. Otherwise, a problem with the automatic dark mode settings on the iPhone can cause dark mode to not work properly on Facebook. It is rarely reported, but often a bug in iOS beta builds can cause features in other apps installed on iOS to not work. We have mentioned steps below to Fix Dark Mode Not Working in Facebook on iPhone
Ways to Fix Dark Mode Not Working in Facebook on iPhone
Enable Override Force Dark
Enable Upload HD video
Delete Facebook Data
Final Words
That’s it with our article on how to Fix Dark Mode Not Working in Facebook on iPhone. The feature vanished on both the iPhone and the iPad on Wednesday, shocking several Facebook users who had activated dark mode in their app.