Open your phone Settings
Tap Apps or Applications
Select the app you want to clear
Tap Storage
Tap Clear Cache
Repeat for other apps if needed
To clear browser cache, open the browser settings
Tap Privacy or History
Select Clear browsing data
Choose Cached images and files
Tap Clear data or Clear cache
To clear system cache on some Android phones, turn off the phone
Boot into Recovery Mode
Select Wipe cache partition
Confirm the action
Restart the phone