Samsung's Galaxy S26 Ultra can automatically turn on Privacy Display whenever a user enters a PIN, pattern or password, then switch it off once authentication is complete.
The feature narrows the screen's viewing angle to make passcodes harder to read from the side or above, targeting shoulder-surfing risks in public places.
Users can enable it in Settings under Display > Privacy Display > Conditions for turning on, with a Maximum privacy protection option that makes the screen readable almost only straight on.
The trigger works for lock-screen and secured-app authentication, including Secure Folder, but stays off for face or fingerprint unlock unless Privacy Display is enabled manually.
Samsung also lets owners tie Privacy Display to specific apps, notifications or location-based routines, extending the feature beyond passcode entry.