Open the Facebook app
Tap the menu icon
Go to Settings and privacy
Tap Settings
Open Browser or Browser settings
Tap Clear browsing data
Confirm the action
On Android, open Settings on your device
Tap Apps
Select Facebook
Tap Storage
Tap Clear cache
On iPhone, delete and reinstall the Facebook app to clear app cache
Open Settings on your device
Tap General
Tap iPhone Storage
Select Facebook
Tap Offload App or Delete App
Reinstall Facebook from the App Store
On a computer, clear your browser cache
Open your browser settings
Find Privacy or History
Clear cached images and files
Refresh Facebook