Open the Settings app
Tap Security and privacy
Tap App lock or App protection
Set up a PIN, pattern, or password if prompted
Select the apps you want to lock
Confirm your choice
Open the locked app to verify it requires authentication
Open the Settings app
Tap Security and privacy
Tap App lock or App protection
Set up a PIN, pattern, or password if prompted
Select the apps you want to lock
Confirm your choice
Open the locked app to verify it requires authentication