Open 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
Open the browser menu
Tap History or Privacy
Tap Clear browsing data
Select Cached images and files
Tap Clear data
To clear system cache on some Android phones, restart the phone or use recovery mode if available
On iPhone, offload or delete the app to clear its cache
Restart the phone after clearing cache if needed