Open Settings
Tap Apps or Apps & notifications
Select the app
Tap Storage & cache
Tap Clear cache
To clear browser cache, open the browser app
Tap the menu icon
Open History or Settings
Tap Clear browsing data
Select Cached images and files
Tap Clear data or Clear
To clear system cache, restart the phone if available
To free more space, go to Settings
Tap Storage
Tap Cached data if shown
Confirm clearing cache if prompted